its a long shot, but do you by chance have boot sector virus protection enabled in the bios.
"Lance" <Lance@discussions.microsoft.com> wrote in message news:2D891B4F-3360-41CD-AC13-B8829D799BB9@microsoft.com...
Upgrading from XP Pro SP2 to Vista Business VLK terminated with the following
"Windows could not update the computer's boot configuration. Installation
Reviewing the setupact.log reveals the following error (hard to find but
search is your friend):
2007-02-06 16:02:59, Info [0x060228] IBS
Callback_CopyBootFiles:Successfully moved windows boot files.
2007-02-06 16:02:59, Info IBSLIB ModifyBootEntriesLegacy:
Not in first boot. No actions to perform. SetupPhase
2007-02-06 16:02:59, Info IBSLIB ModifyBootEntries:Setup
phase is 
2007-02-06 16:03:00, Info IBSLIB
ModifyBootEntriesBCD:System BCD Store does not exist.
2007-02-06 16:03:00, Error [0x0640e4] IBSLIB
ModifyBootEntries:BCDOpenSystemStore failed with unexpected error code, ec =
2007-02-06 16:03:00, Error [0x0641b8] IBSLIB ModifyBootEntries: Error
modifying bcd boot entries. dwRetCode=[0x3EE]
2007-02-06 16:03:00, Info [0x060216] IBS
CallBack_MungeBootIni:Failed to modify boot entries GLE = 1006
2007-02-06 16:03:00, Info [0x0640ae] IBSLIB PublishMessage: Publishing
message [Windows could not update the computer's boot configuration.
Installation cannot proceed.]
Apologies in advance if the formating is funky for the error message.
I have checked the registry and PartMgr is the default value as others have
referenced. Has anyone seen this error or have an idea how to fix it?