If you see an error while logging in to Windows – “The user profile service failed to log in. The user profile can not be loaded.” See below for how to solve this problem.
This problem in Windows appears when you type a password on the login screen in Windows and click on the enter button. Usually, there is an error that reads: “The user profile service failed to log in. The user profile can not be loaded.”
The first thing you can try out, as well as when there is a problem with an electronic device, is to try to restart your computer to see if the error reappears. If the problem on Windows and after rebooting the computer, it can be solved in two ways: by fixing an error on the current user profile or by creating a new profile.
How to fix an error on Windows? “The User Profile Service failed the logon. The user profile can not be loaded.”
If the computer restart failed to solve the problem, you need to restart your computer and enter Safe Mode by pressing the F8 key before Windows starts loading. After you press F8 from the menu, you need to select the Safe Mode option.
Warning about using this method:
Some people will lose data using this method, so it’s best to make backup information that matters to you. You also need to delete a copy of the Registry itself from Safe Mode.
Step 1: To solve this problem, it is necessary that when entering Safe Mode, you go to Start, and in the Search option, type REGEDIT, right-click, and then select the Run as administrator option.
Step 2: When you enter Registry Editor you need to find it
HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ ProfileList
Step 3: Click on each S-1-5 (SID key), then double click on ProfileImagePath to find out where the problem is.
Step 3a: If you have two S-1-5 folders, followed by a long number that ends with. You need to change the name of this folder, and do it as follows.
a. Go to the S-1-5-long number without ending, right-click, then select RENAME and add .ba and at the end of that name, press ENTER
b. Now you go to the S-1-5-long-number with. To the end of it, right-click, then RENAME and delete this extension and blink ENTER
c. Return to this first folder to which you added the .ba extension and return to RENAME, so instead of .ba put .bak and press ENTER.
Step 3b: If you happen to have only one S-1-5-long-number where there is a continuation. Go to RENAME and delete this extension. And press ENTER.
Step 4: Select the folder without continuation. If (if you had the situation from step 3a, that is the folder that first had the extension .bak, which you deleted by following step 3a), double click on the RefCount option and change the Value data to 0 and click OK. Then go double-click on the State option and then change Value data to 0 and click OK.
Step 5: Close Regedit and restart your computer, you should now be able to log on to Windows without the occurrence of an error.