Hey Bosse
No, I didn't mean that fingerprint was encrypting the data, i meant that i need to cut clients' finger

so i can test if, for example, chkdsk /f would fix the windows problem and when i put disk back to laptop, all would be well. If not, then i'd have to try some other thing and then use clients' finger to test again

Yes in hex it says "Safeboot info" and yes it is from an HP. I can post screenshot if you wish.
Client swears he never used safeboot and he doesn't even know what it is. He contacted the company that originally set up his machine, and they said they didn't install safeboot, and that could be pre-installed by HP (yeah, but who triggered it).
So i am guessing someone triggered safeboot and then for some reason windows got corrupt, and then... game over?
Any ideas would be GREATLY appreciated.