Under the ProfileList subkey, delete the subkey that is named SID.bak.
Note SID is a placeholder for the security identifier (SID) of the user account that is experiencing the problem. The SID.bak subkey should contain a ProfileImagePath registry entry that points to the original profile folder of the user account that is experiencing the problem.
Exit Registry Editor.
Log off the system.
Log on to the system again.
After you log on to the system, the profile folder is re-created.