Press F8 button
Go to safe mode
Then type regedit command in run window
Then Go to -:
. Hkey_local_machine
. Software
. Microsoft
. Windows NT
. Current version
. Profile list
Click each S-1-5 folder and click the profile image path entry to find out which user account it relates to. [ If your folder name ends with .bak or .ba ]
Once you have located the folder for the corrupt profile [ and it doesn't have a .bak ending ], double-click Ref count and change the value data to 0 and click ok.
Now double-click on state and make sure the value data is again 0 and click ok
Close regedit and restart your pc. you should now be able to log into your account.
