PLATINUM SOFTWARE CORP
SC 13G, 1998-09-29
PREPACKAGED SOFTWARE
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  Schedule 13G
                                 (Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS  FILED PURSUANT TO RULES 13d-1(b),  (c)
AND (d) AND  AMENDMENTS  THERETO  FILED  PURSUANT  TO RULE  13d-2(b)

                               (Amendment No.__)*

                          PLATINUM SOFTWARE CORPORATION
- --------------------------------------------------------------------------------
                                (Name of Issuer)


                                  Common Stock
- --------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                  72764 R 10 5
- --------------------------------------------------------------------------------
                                 (CUSIP Number)


                               September 21, 1998
- --------------------------------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)


     Check the  appropriate  box to  designate  the rule  pursuant to which this
Schedule is filed:

         [   ]   Rule 13d-1(b)
         [ X ]   Rule 13d-1(c)
         [   ]   Rule 13d-1(d)


*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for  any  subsequent   amendment   containing   information  which  would  alter
disclosures provided in a prior cover page.

         The information  required on the remainder of this cover page shall not
be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise  subject to the  liabilities of that section of
the Act but shall be subject to all other  provisions of the Act  (however,  see
the Notes).

                         (Continued on following pages)
                               Page 1 of 17 Pages
                       Exhibit Index Contained on Page 15


<PAGE>


<TABLE>

- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  72764R 10 5                                           13D        Page 2 of  17 Pages
- -----------------------------------------------------------                 --------------------------------------------------
<S>         <C>                                                                            <C>

- ----------- ------------------------------------------------------------------------------------------------------------------
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Management III, L.P. ("ICM3")

- ----------- ------------------------------------------------------------------------------------------------------------------
   2        CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP                                   (a) [   ]   (b)  [ X ]

- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       CITIZENSHIP OR PLACE OF ORGANIZATION
                     Delaware (limited partnership)
- ----------- ------------------------------------------------------------------------------------------------------------------
                                           5      SOLE VOTING POWER                        -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     6      SHARED VOTING POWER
                  OF                                       894,034 shares, of which 717,806 shares are directly owned by
                SHARES                                     Integral Capital Partners III, L.P. ("ICP3") and 176,228 shares
             BENEFICIALLY                                  are directly owned by Integral Capital Partners International
            OWNED BY EACH                                  III, L.P. ("ICPI3"). ICM3 is the general partner of ICP3 and the
              REPORTING                                    investment general partner of ICPI3.
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           7      SOLE DISPOSITIVE POWER                   -0-
                                        --------- ----------------------------------------------------------------------------
                                           8      SHARED DISPOSITIVE POWER
                                                           894,034  shares  (see response to Item 6)
- ----------- ------------------------------------------------------------------------------------------------------------------
    9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                           894,034 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES*
                                                                                                                      [   ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9                                                           3.4%
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      TYPE OF REPORTING PERSON*                                                                                 PN
- ----------- ------------------------------------------------------------------------------------------------------------------
<FN>

                                              *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>



<PAGE>

<TABLE>
<CAPTION>

- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  72764R 10 5                                           13D        Page 3 of 17 Pages
- -----------------------------------------------------------                 --------------------------------------------------
<S>         <C>                                                                            <C>

- ----------- ------------------------------------------------------------------------------------------------------------------
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Management IV, LLC ("ICM4")

- ----------- ------------------------------------------------------------------------------------------------------------------
            CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*                                  (a)   [   ]   (b)   [ X ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       CITIZENSHIP  OR PLACE  OF  ORGANIZATION
                     Delaware  (limited liability company)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           5      SOLE VOTING POWER                        -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     6      SHARED VOTING POWER
                  OF                                       1,056,810 shares, which shares are directly owned by Integral
                SHARES                                     Capital Partners IV, L.P. ("ICP4").  ICM4 is the general partner
             BENEFICIALLY                                  of ICP4
            OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           7      SOLE DISPOSITIVE POWER                   -0-
                                        --------- ----------------------------------------------------------------------------
                                           8      SHARED DISPOSITIVE POWER
                                                           1,056,810 shares (see response to Item 6)
- ----------- ------------------------------------------------------------------------------------------------------------------
    9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                            1,056,810 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES*
                                                                                                                      [   ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9                                                           4.1%
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      TYPE OF REPORTING PERSON*                                                                                  OO
- ----------- ------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>



<PAGE>

<TABLE>
<CAPTION>


- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  72764R 10 5                                           13D        Page 4 of 17 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
<S>         <C>                                                                            <C>
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     ICP MS Management, LLC ("ICP Management")

- ----------- ------------------------------------------------------------------------------------------------------------------
    2       CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*                                  (a)   [   ]   (b)   [ X ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       CITIZENSHIP  OR PLACE  OF  ORGANIZATION  Delaware  (limited
                     liability company)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           5      SOLE VOTING POWER                        -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     6      SHARED VOTING POWER
                  OF                                       5,620 shares, which shares are directly owned by Integral Capital
                SHARES                                     Partners IV MS Side Fund, L.P. ("Side Fund").  ICP Management is
             BENEFICIALLY                                  the general partner of Side Fund
            OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           7      SOLE DISPOSITIVE POWER                   -0-
                                        --------- ----------------------------------------------------------------------------
                                           8      SHARED DISPOSITIVE POWER
                                                           5,620 shares (see response to Item 6)
- ----------- ------------------------------------------------------------------------------------------------------------------
    9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                                5,620 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES*
                                                                                                                     [   ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9                                                          0.02%
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      TYPE OF REPORTING PERSON*                                                                                OO
- ----------- ------------------------------------------------------------------------------------------------------------------
<FN>
                                               *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>



<PAGE>

<TABLE>
<CAPTION>

- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  72764R 10 5                                           13D        Page 5 of 17 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
<S>         <C>                                                                            <C>
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Partners III, L.P. ("ICP3")

- ----------- ------------------------------------------------------------------------------------------------------------------
            CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*                                  (a)   [   ]   (b)   [ X ]

- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       CITIZENSHIP OR PLACE OF ORGANIZATION
                     Delaware (limited partnership)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           5      SOLE VOTING POWER                        -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     6      SHARED VOTING POWER
                  OF                                       717,806 shares are directly owned by ICP3.  Integral Capital
                SHARES                                     Management III, L.P. is the general partner of ICP3.
             BENEFICIALLY
            OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           7      SOLE DISPOSITIVE POWER                   -0-
                                        --------- ----------------------------------------------------------------------------
                                           8      SHARED DISPOSITIVE POWER
                                                           717,806  shares  (see response to Item 6)
- ----------- ------------------------------------------------------------------------------------------------------------------
    9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                              717,806 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES*
                                                                                                                      [   ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW  9                                                          2.8%
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      TYPE OF REPORTING PERSON*                                                                                 PN
- ----------- ------------------------------------------------------------------------------------------------------------------
<FN>
                                               *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>




<PAGE>

<TABLE>
<CAPTION>

- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  72764R 10 5                                           13D        Page 6 of 17 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
<S>         <C>                                                                            <C>
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Partners International III, L.P. ("ICPI3")

- ----------- ------------------------------------------------------------------------------------------------------------------
            CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*                                  (a)   [   ]   (b)   [ X ]

- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       CITIZENSHIP  OR  PLACE  OF   ORGANIZATION
                     Cayman  Islands (limited partnership)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           5      SOLE VOTING POWER                        -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     6      SHARED VOTING POWER
                  OF                                       176,228 shares are directly owned by ICPI3.  Integral Capital
                SHARES                                     Management III, L.P. is the investment general partner of ICPI3.
             BENEFICIALLY
            OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           7      SOLE DISPOSITIVE POWER              -0-
                                        --------- ----------------------------------------------------------------------------
                                           8      SHARED DISPOSITIVE POWER
                                                           176,228 shares (see response to Item 6)
- ----------- ------------------------------------------------------------------------------------------------------------------
    9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                              176,228 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES*
                                                                                                                      [   ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9                                                            0.7%
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      TYPE OF REPORTING PERSON*                                                                                 PN
- ----------- ------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>



<PAGE>

<TABLE>
<CAPTION>

- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  72764R 10 5                                           13D        Page 7 of 17 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
<S>         <C>                                                                            <C>
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Partners IV, L.P. ("ICP4")

- ----------- ------------------------------------------------------------------------------------------------------------------
            CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*                                  (a)   [   ]   (b)   [ X ]

- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       CITIZENSHIP OR PLACE OF ORGANIZATION
                     Delaware (limited partnership)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           5      SOLE VOTING POWER                        -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     6      SHARED VOTING POWER
                  OF                                    1,056,810 shares are directly owned by ICP4. Integral Capital
                SHARES                                  Management IV, LLC is the general partner of ICP4
             BENEFICIALLY
             OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           7      SOLE DISPOSITIVE POWER                   -0-
                                        --------- ----------------------------------------------------------------------------
                                           8      SHARED DISPOSITIVE POWER
                                                         1,056,810 shares (see response to Item 6)
- ----------- ------------------------------------------------------------------------------------------------------------------
    9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                            1,056,810 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES*
                                                                                                                      [   ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9                                                           4.1%
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      TYPE OF REPORTING PERSON*                                                                                 PN
- ----------- ------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>



<PAGE>

<TABLE>
<CAPTION>

- -----------------------------------------------------------                 --------------------------------------------------
CUSIP NO.  72764R 10 5                                           13D        Page 8 of 17 Pages
- -----------------------------------------------------------                 --------------------------------------------------

- ----------- ------------------------------------------------------------------------------------------------------------------
<S>         <C>                                                                            <C>
    1       NAME OF REPORTING PERSON
            S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
                     Integral Capital Partners IV MS Side Fund, L.P. ("Side Fund")

- ----------- ------------------------------------------------------------------------------------------------------------------
            CHECK APPROPRIATE BOX IF A MEMBER OF A GROUP*                                  (a)   [   ]   (b)   [ X ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    3       SEC USE ONLY
- ----------- ------------------------------------------------------------------------------------------------------------------
    4       CITIZENSHIP OR PLACE OF ORGANIZATION
                     Delaware (limited partnership)
- --------------------------------------- --------- ----------------------------------------------------------------------------
                                           5      SOLE VOTING POWER                        -0-
                                        --------- ----------------------------------------------------------------------------
                NUMBER                     6      SHARED VOTING POWER
                  OF                                   5,620  shares  are  directly  owned by Side  Fund.  ICP MS Management, 
                SHARES                                 LLC is the general partner of Side Fund.
             BENEFICIALLY
            OWNED BY EACH
              REPORTING
                PERSON
                 WITH
                                        --------- ----------------------------------------------------------------------------
                                           7      SOLE DISPOSITIVE POWER                   -0-
                                        --------- ----------------------------------------------------------------------------
                                           8      SHARED DISPOSITIVE POWER
                                                        5,620 shares (see response to Item 6)
- ----------- ------------------------------------------------------------------------------------------------------------------
    9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
                                                                                                                5,620 shares
- ----------- ------------------------------------------------------------------------------------------------------------------
    10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES CERTAIN SHARES*
                                                                                                                      [   ]
- ----------- ------------------------------------------------------------------------------------------------------------------
    11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9                                                           0.02%
- ----------- ------------------------------------------------------------------------------------------------------------------
    12      TYPE OF REPORTING PERSON*                                                                                 PN
- ----------- ------------------------------------------------------------------------------------------------------------------
<FN>
                                              *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>




<PAGE>

                                                                    Page 9 of 17


ITEM 1(a).        NAME OF ISSUER:

                  Platinum Software Corporation

ITEM 1(b).        ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:

                  195 Technology Drive
                  Irvine , CA  92718-2402

ITEM 2(a), (b), (c).       NAME OF PERSON FILING, ADDRESS OF PRINCIPAL BUSINESS 
                           OFFICE OR, IF NONE, RESIDENCE, AND CITIZENSHIP:

                  This statement is being filed by Integral  Capital  Management
III, L.P., a Delaware limited partnership ("ICM3"),  Integral Capital Management
IV, LLC, a Delaware  limited  liability  company ("ICM4") and ICP MS Management,
LLC, a Delaware  limited  liability  company ("ICP  Management").  The principal
business  address of ICM3, ICM4 and ICP Management is 2750 Sand Hill Road, Menlo
Park, California 94025.

                  ICM3 is the general partner of Integral  Capital Partners III,
L.P.,  a Delaware  limited  partnership  ("ICP3"),  and the  investment  general
partner of Integral Capital Partners  International  III, L.P., a Cayman Islands
exempted limited partnership ("ICPI3").  ICM4 is the general partner of Integral
Capital  Partners  IV,  L.P.,  a  Delaware  limited  partnership  ("ICP4").  ICP
Management is the general partner of Integral  Capital Partners IV MS Side Fund,
L.P., a Delaware limited  partnership ("Side Fund").  With respect to ICM3, ICM4
and ICP  Management,  this  statement  relates  only to  ICM3's,  ICM4's and ICP
Management's  indirect,  beneficial  ownership  of shares of Common Stock of the
Issuer (the "Shares").  The Shares have been purchased by ICP3, ICPI3, ICP4, and
Side Fund, and none of ICM3, ICM4, or ICP Management  directly or otherwise hold
any Shares. Management of the business affairs of ICM3, ICM4 and ICP Management,
including decisions respecting  disposition and/or voting of the Shares, resides
in a  majority  of the  general  partners  or  managers  of ICM3,  ICM 4 and ICP
Management,  respectively  such that no single general  partner of ICM3, ICM4 or
ICP Management has voting and/or dispositive power of the Shares.

ITEM 2(d).        TITLE OF CLASS OF SECURITIES:

                  Common Stock

ITEM 2(e).        CUSIP NUMBER:

                  72764R105



<PAGE>


                                                                   Page 10 of 17

ITEM 3. IF THIS  STATEMENT IS FILED  PURSUANT TO RULE  13d-1(b),  or 13d-2(b) or
(c), CHECK WHETHER THE PERSON FILING IS A:

     (a)  [ ]  Broker or dealer registered under Section 15 of the Exchange
               Act

     (b)  [ ]  Bank as defined in Section  3(a)(6) of the  Exchange  Act

     (c)  [ ]  Insurance company as defined in Section 3(a)(19) of the
               Exchange Act

     (d)  [ ]  Investment company registered under Section 8
               of the Investment  Company Act

     (e)  [ ]  An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

     (f)  [ ]  An employee benefit plan or endowment fund in accordance  with 
               Rule  13d-1(b)(1)(ii)(F);

     (g)  [ ]  A parent holding company or control person in  accordance  with 
               Rule  13d-1(b)(1)(ii)(G);

     (h)  [ ]  A savings association as defined in Section 3(b) of the 
               Federal Deposit Insurance Act;

     (i)  [ ]  A church plan that is excluded from the definition of an 
               investment company under Section 3(c)(14) of the Investment 
               Company Act;

     (j)  [ ]  Group, in accordance with Rule 13d-1(b)(1)(ii)(J). 

If this statement is filed pursuant to Rule 13d-1(c), check this box.  [ X ].

ITEM 4.         OWNERSHIP.

         Provide the following  information  regarding the aggregate  number and
percentage of the class of securities of the issuer identified in Item 1.

A.       Integral Capital Management III, L.P. ("ICM3")

         (a) Amount Beneficially Owned:  894,034
         (b) Percent of Class: 3.4%
         (c) Number of shares as to which such person has:
             1. Sole power to vote or to direct vote:  -0-
             2. Shared power to vote or to direct vote: 894,034
             3. Sole power to dispose or to direct the disposition:  -0-
             4. Shared power to dispose or to direct the disposition: 894,034
           
B.       Integral Capital Management IV, LLC ("ICM4")

         (a) Amount Beneficially Owned:  1,056,810
         (b) Percent of Class: 4.1%
         (c) Number of shares as to which such person has:
             1. Sole power to vote or to direct vote:  -0-
             2. Shared power to vote or to direct vote: 1,056,810
             3. Sole power to dispose or to direct the disposition:  -0-
             4. Shared power to dispose or to direct the disposition: 1,056,810



<PAGE>


                                                                   Page 11 of 17

C.       ICP MS Management, LLC ("ICP Management")

         (a) Amount Beneficially Owned:  5,620
         (b) Percent of Class:  0.02%
         (c) Number of shares as to which such person has:
             1. Sole power to vote or to direct vote:  -0-
             2. Shared power to vote or to direct vote:  5,620
             3. Sole power to dispose or to direct the disposition:  -0-
             4. Shared power to dispose or to direct the disposition:  5,620

D.       Integral Capital Partners III, L.P.

         (a) Aggregate number of Shares owned:  717,806
         (b) Percentage: 2.8%
         (c)           
             1. Sole power to vote or to direct vote:  -0-
             2. Shared power to vote or to direct vote: 717.806
             3. Sole power to dispose or to direct the disposition:  -0-
             4. Shared power to dispose or to direct the disposition: 717,806
     
E.       Integral Capital Partners International III, L.P.

         (a) Aggregate number of Shares owned:  176,228
         (b) Percentage: 0.7%
         (c)      
             1. Sole power to vote or to direct vote:  -0-
             2. Shared power to vote or to direct vote: 176,228
             3. Sole power to dispose or to direct the disposition:  -0-
             4. Shared power to dispose or to direct the disposition: 176,228
    
F.       Integral Capital Partners IV, L.P.

         (a) Aggregate number of Shares owned:  1,056,810
         (b) Percentage: 4.1%
         (c)      
             1. Sole power to vote or to direct vote:  -0-
             2. Shared power to vote or to direct vote: 1,056,810
             3. Sole power to dispose or to direct the disposition:  -0-
             4. Shared power to dispose or to direct the disposition: 1,056,810
      
G.       Integral Capital Partners IV MS Side Fund, L.P.

         (a) Aggregate number of Shares owned:  5,620
         (b) Percentage:  0.02%
         (c)      
             1. Sole power to vote or to direct vote:  -0-
             2. Shared power to vote or to direct vote: 5,620
             3. Sole power to dispose or to direct the disposition:  -0-
             4. Shared power to dispose or to direct the disposition: 5,620
     



<PAGE>


                                                                   Page 12 of 17

ITEM 5.  OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.

         If this statement is being filed to report the fact that as of the date
hereof the reporting  person has ceased to be the beneficial  owner of more than
five percent of the class of securities, check the following [ ].

ITEM 6.  OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.

         Not applicable.

ITEM 7.  IDENTIFICATION  AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
         SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.

         Not applicable.

ITEM 8.  IDENTIFICATION AND CLASSIFCATION OF MEMBERS OF THE GROUP.

         Not applicable.

ITEM 9.  NOTICE OF DISSOLUTION OF GROUP.

         Not applicable.

ITEM 10. CERTIFICATION.

         By  signing  below I  certify  that,  to the best of my  knowledge  and
belief, the securities  referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing  the control of the
issuer of the  securities  and were not acquired and are not held in  connection
with or as a participant in any transaction having that purpose or effect.

                                    SIGNATURE

         After reasonable  inquiry and to the best of my knowledge and belief, I
certify that the information  set forth in this statement is true,  complete and
correct.

Dated:  September 29,1998

                                           INTEGRAL CAPITAL MANAGEMENT III, L.P.


                                           By      /s/ Pamela K. Hagenah
                                              ----------------------------------
                                                   Pamela K. Hagenah
                                                   a General Partner



<PAGE>


                                                                   Page 13 of 17

                                            INTEGRAL CAPITAL MANAGEMENT IV, LLC


                                            By      /s/ Pamela K. Hagenah
                                               ---------------------------------
                                                        Pamela K. Hagenah
                                                        a Manager


                                            ICP MS MANAGEMENT, LLC


                                            By      /s/ Pamela K. Hagenah
                                               ---------------------------------
                                                        Pamela K. Hagenah
                                                        a Manager


                                            INTEGRAL CAPITAL PARTNERS III, L.P.

                                            By Integral Capital Management III, 
                                            L.P., its General Partner


                                            By      /s/ Pamela K. Hagenah
                                               ---------------------------------
                                                        Pamela K. Hagenah
                                                        a General Partner


                                            INTEGRAL CAPITAL PARTNERS
                                            INTERNATIONAL III, L.P.

                                            By Integral Capital Management III,
                                            L.P., its Investment General Partner


                                            By      /s/ Pamela K. Hagenah
                                               ---------------------------------
                                                        Pamela K. Hagenah
                                                        a General Partner


                                            INTEGRAL CAPITAL PARTNERS IV, L.P.

                                            By Integral Capital Management IV,
                                            LLC, its General Partner


                                            By      /s/ Pamela K. Hagenah
                                               ---------------------------------
                                                        Pamela K. Hagenah
                                                        a Manager


<PAGE>


                                                                   Page 14 of 17



                                            INTEGRAL CAPITAL PARTNERS IV MS SIDE
                                            FUND, L.P.

                                            By ICP MS Management, LLC,
                                            its General Partner


                                            By      /s/ Pamela K. Hagenah
                                               ---------------------------------
                                                        Pamela K. Hagenah
                                                        a Manager




<PAGE>


                                                                   Page 15 of 17


                                  EXHIBIT INDEX


                                                                     Found on
                                                                   Sequentially
Exhibit                                                            Numbered Page
- -------                                                            -------------

Exhibit A:        Agreement of Joint Filing                             16



<PAGE>



                                                                   Page 16 of 17


                                    EXHIBIT A

                            Agreement of Joint Filing


         The undersigned  hereby agree that they are filing jointly  pursuant to
Rule  13d-1(k)(1) of the Act the statement  dated  September 29, 1998 containing
the  information  required by Schedule 13G, for the 1,956,464  Shares of capital
stock of Platinum  Software  Corporation  held by Integral Capital Partners III,
L.P., a Delaware limited  partnership,  Integral Capital Partners  International
III, L.P., a Cayman  Islands  exempted  limited  partnership,  Integral  Capital
Partners IV, L.P., a Delaware limited partnership, and Integral Capital Partners
IV MS Side Fund, L.P., a Delaware limited partnership.

Date:  September 29, 1998

                                          INTEGRAL CAPITAL MANAGEMENT III, L.P.


                                            By      /s/ Pamela K. Hagenah
                                               ---------------------------------
                                                        Pamela K. Hagenah
                                                        a General Partner


                                          INTEGRAL CAPITAL MANAGEMENT IV, LLC


                                            By      /s/ Pamela K. Hagenah
                                               ---------------------------------
                                                        Pamela K. Hagenah
                                                        a Manager


                                            ICP MS  MANAGEMENT, LLC


                                            By      /s/ Pamela K. Hagenah
                                               ---------------------------------
                                                    Pamela K. Hagenah
                                                    a Manager


                                            INTEGRAL CAPITAL PARTNERS III, L.P.

                                            By Integral Capital Management III, 
                                            L.P., its General Partner


                                            By      /s/ Pamela K. Hagenah
                                               ---------------------------------
                                                        Pamela K. Hagenah
                                                        a General Partner


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                                            INTEGRAL CAPITAL PARTNERS
                                            INTERNATIONAL III, L.P.

                                            By Integral Capital Management III,
                                            L.P., its Investment General Partner


                                            By      /s/ Pamela K. Hagenah
                                               ---------------------------------
                                                        Pamela K. Hagenah
                                                        a General Partner


                                            INTEGRAL CAPITAL PARTNERS IV, LLC

                                            By Integral Capital Management IV,
                                            LLC, its General Partner


                                            By      /s/ Pamela K. Hagenah
                                               ---------------------------------
                                                        Pamela K. Hagenah
                                                        a Manager


                                            INTEGRAL CAPITAL PARTNERS IV MS SIDE
                                            FUND, L.P.

                                            By Integral Capital Management IV,
                                            LLC, its General Partner


                                            By      /s/ Pamela K. Hagenah
                                               ---------------------------------
                                                        Pamela K. Hagenah
                                                        a Manager



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