Premise: the computer has multiple accounts can log in, one account login prompt appeal error, or safe mode can enter the system.
1, into the system by WIN + R, type regedit into the registry
2. Find HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ ProfileList \ In it find a suffix Zijian called bak and found that there is another one and In addition to its suffix, exactly the same.
3, after confirming the deletion Zijian bak's.
4, you can restart login.