“User Profile Service Failed the Sign-in” is not strange for Windows 10 users, which indicates that the default Windows user profile has been corrupted and cannot log into Windows anymore. There are still users reported in Microsoft Community that they also got the same error message on Windows 11 system. Why does the problem happen and how to fix User Profile Service Failed the Sign-in error on Windows 11 will be introduced in details in the following part. Just keep reading to help you out.
Causes of User Profile Service Failed the Sign-in Error and User Profile Cannot Be Loaded [4 Factors]
Users often choose to create multiple profiles on one Windows 11 device, which may often result in the User Profile Service Failed The Sign-in or User Profile Cannot Be Loaded error. Four major factors which cause such error are:
- Running antivirus program: allowing antivirus program scanning your system when trying to log into Windows 11 may abort the correct user profile and launch an incorrect one;
- Resizing partition: trying to partitionizing your disk may also cause to the corruption in occasion;
- Improper Windows Update: An irregular or unfinished Windows updates may sometimes damage the host files which are required for UAC to work in a proper way.
- Improper system shutdown: shutting down your PC without exiting your current account may cause such error.
How to Fix “User Profile Service Failed the Sign-in” Error on Windows 11?[5 Solutions]
After learning why the User Profile Service Failed the Sign-in error happens, we could definitely find out the exact solutions to fix it. There are 5 solutions will be introduced.
Solution 1: Restart Windows 11/10 from Lockscreen
Sometimes, restart the system will fix most of the system errors. If you meet the User Profile Service Failed the Sign-in error, a restart from the Windows 11/10 lockscreen will fix it.
Steps are: Press Win + L to exit the account and launch lockscreen > restart Windows 11.
Solution 2: Remove Local User Account in Windows 11/10
Press Win + R to launch Run command > Enter netplwiz >Enter your administrator password in Advanced User Accounts Control Panel screen to proceed > Choose the local account you need to remove > Press Win + L to enter the lockscren > Restart your computer.
If this method doesn’t work, you can enter the safe mode to repeat the steps.
Solution 3: Move NTUSER.Dat File to Default Username Folder
NTUSER.Dat file usually stores user profile settings, preferences, configurations, etc. You will fail to login under your user account in case of this file is missing or corrupted. In order to fix the problem, you’d better replace the damaged C:\Users\Default folder.
Step 1: Navigate to the local account you need to fix, and locate C:/Users and Cut the NTUSER.dat file for that account;
Step 2: Paste the file into the Default username folder;
Step 3: Delete the local account folder;
Step 4: Restart check if the proper user profile is loading.
Solution 4: Repair Windows User Profile
You can try the Command Prompt to repair the Windows user profile, as the command prompt often helps to fix most of the system crashes or errors.
Just launch Run app > Copy & paste DISM.exe /Online /Cleanup-image /scanhealth and press Enter.
Solution 5: Modify Registry Settings
Changing Registry settings is also an effective way to fix “User Profile Service Failed the Sign-in” Error. Please follow the settings here:
Step 1: Boot into Safe Mode;
Step 2: Press Windows + R > Enter regedit > Click Ok；
Step 3: Find: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList
Step 4: Select the registry key and locate folders that begin with S-1-5 (SID key);
Step 5: Select S-1-5 folder and locate ProfileImagePath entry in the right pane and double click it;
Step 6: Restart your Windows 11/10 system.
Till now, you may have fixed the User Profile Service Failed the Sign-in Error and User Profile Cannot Be Loaded error. In case you still have the same problem, the last method is to reset Windows 11 to factory setting. However, you have to backup your settings and files before doing that.