I am really dubious about the whole "sfc /scannow" procedure.
When I run it, I am being asked for the windows XP for each and every single file. Really the popup comes up a thousand times.

Now why I can play Crysis flawlessly for several hours in a row and use my comp without encountering any crash nor BSOD is beyond me.
With so many files corrupted, how can windows even boot?
And why I don't get any corruption when I copy very large files from one disk to another?