virtual server 2005 KB937986 update fails

So this patch Tuesday saw some massive load of updates flowing out of Microsoft. I could install all except the x64 update for virtual server. Anybody also run x64 Windows with virtual server 2005?

Log Name:      System

Source:        Microsoft-Windows-WindowsUpdateClient

Date:          15/8/2007 23:58:04

Event ID:      20

Task Category: Windows Update Agent

Level:         Error

Keywords:      Failure,Installation

User:          SYSTEM

Computer:      diablo

Description:

Installation Failure: Windows failed to install the following update with error 0x80070643: Security Update for Microsoft Virtual Server 2005 R2: x64 (KB937986).

Event Xml:

<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">

  <System>

    <Provider Name="Microsoft-Windows-WindowsUpdateClient" Guid="{945a8954-c147-4acd-923f-40c45405a658}" />

    <EventID>20</EventID>

    <Version>0</Version>

    <Level>2</Level>

    <Task>1</Task>

    <Opcode>13</Opcode>

    <Keywords>0x8000000000000028</Keywords>

    <TimeCreated SystemTime="2007-08-15T15:58:04.803Z" />

    <EventRecordID>25624</EventRecordID>

    <Correlation />

    <Execution ProcessID="1128" ThreadID="3848" />

    <Channel>System</Channel>

    <Computer>diablo</Computer>

    <Security UserID="S-1-5-18" />

  </System>

  <EventData>

    <Data Name="errorCode">0x80070643</Data>

    <Data Name="updateTitle">Security Update for Microsoft Virtual Server 2005 R2: x64 (KB937986)</Data>

    <Data Name="updateGuid">{7694A872-C0DE-4A6C-851C-61EF9C228C02}</Data>

    <Data Name="updateRevisionNumber">100</Data>

  </EventData>

</Event>