I managed to restore the NTUser.dat file from die Windows\Repair directory (booted into safe mode, copied the file to the LocalService profile and rebooted the machine) which solved the last...

An update:

Neither the Defrag or chkdsk produced any results.

If only I could run the database consistency checks somehow to make sure that the tempdb is OK.

Came across this error as...

Hi Ken,

Did you manage to solve this problem? What is the solution?

I have the same problems, but mine started after a hard drive failure on my RAID 5, a corrupted...