“The User Profile Service failed the logon. User profile cannot be loaded” error occurs when you try to logon to your Windows 10, 8.1, 8, 7 or windows vista based laptops by using your temporary profile. This type of error occurs when you delete the user profile folder from your main drive (C:) instead of deleting the profile via control panel. When you perform this type of mistake, the system tries to find the user profile folder that you have deleted and unable to find the folder and the error message occurs. So, to solve this problem, follow the below simple steps to fix the User Profile Service failed the logon. User profile cannot be loaded.
How To Fix User Profile Service Failed The Logon
First of all, start your computer in safe mode (Restart your computer, press F8 key continually before the windows logo appears, move to “Advanced Boot Options“, click on “Safe Mode” and then hit enter).
Now Run(Windows + R) “regedit” to open registry editor.
In the registry editor, go to “HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList“.
Now locate the folder starting with S-1-5(SID key) followed by a long number in the navigation panel.
Click the folder starting with S-1-5 followed by a long number and then locate “ProfileImagePath” and double click on it to know that this user account profile has error.
Now if you find two folders starting with S-1-5 followed by a long number and one of the folder ends with .bak then you have to rename that .bak folder by following below simple steps.
Step A: Right click on the folder without .bak and then click on the rename and type .ba at the end and hit enter.
Step B: Right click on the folder with .bak at the end and then click rename and remove .bak and then hit enter.
Step C: Right click the folder with .ba at the end and then click rename and change .ba to .bak and hit enter.
If you find only one folder starting with S-1-5 followed by long number, then right click on that folder and click on rename and remove the .bak and hit enter.
For more information: Go to Microsoft Support Center
Select the folder without .bak and double click “RefCount” and type “0” and click OK.
Select the folder without .bak and double click “State” and type “0” and click OK.
Close registry editor and restart your computer. That’s it.
The above error occurs due to our mistake only and when we delete the folder of the profile from the administrative drive instead of removing profile from the control panel accounts. So, if you have same problem then just follow above steps carefully as it is little bit long process and then get your problem solved. If your problem still remains then comment below.