Hi,
MS don't recommend placing DLL's in System32 directory.
Replace the DLL's that were overwritten from the O/S CD & see what happens.

Also I would check for viral activity.

>After upgrading a client to our most recent software update that is now compiled in VFP 7.0, they get the following error:
>
>Svchost.exe has generated errors and will be closed by Windows. You will need to restart the program.
>
>We replaced a few supporting system32\dll files that correspond with the 7.0 version. The error comes up each time they start our application. Also, their camera software no longer seems to function.
>
>Any ideas would be appreciated.
>
>Thanks,
>
>Mark