Hello, I am running a chkdsk because when I tried to boot I rec'd an error msg that windows\system32\config\system is missing or corrupt. I have been at 70% complete now for 20 hours and no change. Is this normal?? How much longer???
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Try running repair on windows...or if you can, boot into safe mode, start/run sfc /scannow if neither of those work....Sounds like a bad harddrive....slave it into another machine, get what you can off of it and kiss it goodbye.
Try a registry restore, there are instructions on the MS support website. Basically, it involves lots of command lines to restore the registry to the default settings and then using a system restore point registry to get back to the original config.