Users reported The User Profile Service failed the logon error message while trying to log in to Windows 10, so let’s see how to fix this problem.

What to do if User Profile Service failed the logon on Windows 10?

1. Change the registry

Sometimes your account might get corrupted, and that can prevent you from accessing Windows 10. This is a frustrating problem, but you can fix it by modifying your registry. Before we start, we need to mention that modifying registry can lead to system instability and crashes, therefore it’s advised to create a backup just in case anything goes wrong. To edit the registry you’ll have to sign in as a different user, but if you have only one user account, you can also use Safe Mode to edit the registry. To enter Safe Mode follow these steps: To fix The User Profile Service failed the logon problem, you’ll need Registry Editor, and you can start it by following these steps: After changing the registry, try to login to Windows 10 by using your user account. Unable to log in with your Microsoft Account? Fix that with this simple guide!

2. Create a new user account

To fix The User Profile Service failed the logon error on Windows 10, some users are suggesting to create a new user account. Since your user account is corrupted, one way to fix it is to create a new one and migrate all your files to it. pTo create a new user account you need to enter Safe Mode and follow these steps: After you create a new account, try logging in to Windows 10 with your new user account. If everything works without problems, you’ll have to move your personal files from your previous account and use this account as your main one.

3. Delete the SID and create a new profile

Few users are suggesting to delete the SID and create a new user profile in order to fix this problem. To do that, follow these steps: This step can cause stability issues, therefore it’s recommended that you create a backup of your registry, or even a System Restore point before proceeding. Bear in mind that this step might not work if you have only one user profile. After removing the registry key, create a new user profile by following the steps from previous solution. Can’t log in with Microsoft Account after rollback? Use this guide to fix that!

4. Copy the Default folder from a different Windows 10 PC

According to users, you can fix this problem by copying the Default folder from another Windows 10 PC. SPONSORED This process is quite simple, and in order to complete it, you’ll just need a USB flash drive and another working PC. To fix this problem, follow these steps:

5. Check your registry

Users reported that sometimes the Default profile key can point to a different version of Windows, especially if you upgraded from a previous version of Windows. To fix this problem, you need to manually change few registry settings. To do that, follow these steps:

6. Replace the NTUSER.dat file

According to users, The User Profile Service failed the logon error can occur due to corrupted NTUSER.dat file. To fix this problem you need to find a working version of NTUSER.dat file. You can get this file from a different Windows 10 PC, or you can use the one from your PC. Simply go to C:UsersDefault and move the NTUSER.dat to a different folder. Now go to C:UsersPublic folder and locate the NTUSER.dat file and copy it to C:UsersDefault folder.

7. Use Windows 10 Safe Mode

Safe Mode is a special mode of Windows 10 that starts with default drivers and default software, and if you can’t log in to Windows 10, you should try using Safe Mode. Users reported that in order to fix this problem you just need to log in to Safe Mode and the problem should be repaired automatically. To see how to enter Safe Mode, check Solution 1 for detailed instructions.

8. Use System Restore

You can solve The User Profile Serivce failed the logon error by restoring your system. After rebooting, login to you computer normally. The User Profile Service failed the logon can be a quite frustrating error because it prevents you from accessing Windows 10 with your user account, but we hope that you fixed this problem after using one of our solutions. READ ALSO:

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