SQL Server Setup Failed to compile the Managed Object Format (MOF)

HI there,

I have a system that was upgrade from XP to Vista Business 32 bit.

I am trying to install SQL 2005 Express with the Advanced Tools.

The PC meets all the requirements finds and then begins the install process.
Everything is fine until we get to. SQL Server Database Services.

The progress bar is showing Installing WMI registration.

The install process fails with the error "SQL Server Setup Failed to compile the Managed Object Format (MOF) file c:\Program Files\Microsoft SQL Server\90\Shared\sqlmgmproviderxpsp2up.mof."

Below is a copy of the log that was generated.
Can any one help

Thanks
Paul

LOG:
Setting status of unmanaged components and removing unmanaged resources



Error Code: -2147023538
MSI (s) (E4!D0) [15:17:41:274]: Product: Microsoft SQL Server 2005 -- Error 29513. SQL Server Setup Failed to compile the Managed Object Format (MOF) file c:\Program Files\Microsoft SQL Server\90\Shared\sqlmgmproviderxpsp2up.mof. To proceed, see "Troubleshooting an Installation of SQL Server 2005" or "How to: View SQL Server 2005 Setup Log Files" in SQL Server 2005 Setup Help documentation.

MSI (c) (18:60) [15:12:30:805]: Entering MsiProvideComponentFromDescriptor. Descriptor: (f'^Vn-}f(ZXfeAR6.jiHandWritingFiles>RMn1s[Rh9@Iqc3L`JQB,, PathBuf: 27277F0, pcchPathBuf: 27277EC, pcchArgsOffset: 272774C
MSI (c) (18:60) [15:12:30:805]: Machine policy value 'DisableUserInstalls' is 0
MSI (c) (18:60) [15:12:30:852]: MsiProvideComponentFromDescriptor is returning: 0
MSI (c) (18:60) [15:12:30:868]: Entering MsiProvideComponentFromDescriptor. Descriptor: (f'^Vn-}f(ZXfeAR6.jiHandWritingFiles>Wz_B='plK=LZgdoVXdYG, PathBuf: 27277F0, pcchPathBuf: 27277EC, pcchArgsOffset: 272774C
MSI (c) (18:60) [15:12:30:868]: MsiProvideComponentFromDescriptor is returning: 0
Error 29513. SQL Server Setup Failed to compile the Managed Object Format (MOF) file c:\Program Files\Microsoft SQL Server\90\Shared\sqlmgmproviderxpsp2up.mof. To proceed, see "Troubleshooting an Installation of SQL Server 2005" or "How to: View SQL Server 2005 Setup Log Files" in SQL Server 2005 Setup Help documentation.
<Func Name='GetCAContext'>
<EndFunc Name='GetCAContext' Return='T' GetLastError='203'>
Doing Action: Do_sqlMofcomp
PerfTime Start: Do_sqlMofcomp : Tue Aug 28 15:17:41 2007
<Func Name='InstallMOF'>
Failed to compile file c:\Program Files\Microsoft SQL Server\90\Shared\sqlmgmproviderxpsp2up.mof.
An error occured while processing item 2 defined on lines 10 - 13
Error occured in phase 3, Error number: 0x8007054e
Compiler returned error 0x8007054e
<EndFunc Name='InstallMOF' Return='-2147023538' GetLastError='0'>
        Error Code: -2147023538
Windows Error Text: Unable to complete the requested operation because of either a catastrophic media failure or a data structure corruption on the disk.
  Source File Name: sqlca\sqlmofca.cpp
Compiler Timestamp: Thu Oct  5 12:22:41 2006
     Function Name: Do_sqlMofcomp
Source Line Number: 608



---- Context -----------------------------------------------


Setting status of unmanaged components and removing unmanaged resources



Error Code: -2147023538

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