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#1
User account corrupted, administrator account not accessible
My Windows7 suddenly displayed a default desktop. I then did an unsuccessful system restore, tried the undo and got stuck.
From there on, when I want to log in I end up at the error message "The user profile service failed the logon. User profile cannot be loaded".
I tried to activate the administrator account by using "net user administrator /active:yes". The command executes, but administrator never shows up on the login screen.
I cannot start Windows 7 in safe mode. A few seconds after the safe mode login screen appears the computer restarts automatically. No administrator account is listed here either.
I tried kb/947215, but only S-1-5-18, 19 and 20 show up (regedit from the command prompt, since I cannot log into Windows 7 in any mode.
The startup repair doesn't find a fault. What now? I want to avoid a clean install, if at all possible...