Encountering “User Profile Service Failed the Sign-In” errors? Let’s explore effective solutions to resolve this issue.
Understanding the User Profile Service Failure
If you are experiencing the User Profile Service failure error when trying to sign in to your Windows account, there are a few steps you can take to fix it. First, try restarting your computer and see if that resolves the issue. If not, you can try the following steps:
1. Press the Windows key + R to open the Run dialog box.
2. Type “regedit” and press Enter to open the Windows Registry Editor.
3. Navigate to the following key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList
4. Look for a subkey with a “.bak” extension and the same name as your user account. If you find one, rename it by removing the “.bak” extension.
5. Close the Registry Editor and restart your computer.
If this doesn’t work, you can also try using the System Restore feature to restore your computer to a previous point in time when the User Profile Service was working correctly. You can access System Restore by searching for it in the Start menu.
If all else fails, you may need to create a new user profile and transfer your files and settings to the new profile. You can do this by following the instructions provided by Microsoft in their support documentation.
Permissions and Default Profile Issues
- Check User Permissions:
- Open File Explorer by pressing Win + E.
- Navigate to the C:\Users folder.
- Right-click on the user profile folder that is causing the issue.
- Select Properties from the context menu.
- Click on the Security tab.
- Ensure that the user account has Full control permissions.
- If not, click on Edit and add the user account with Full control permissions.
- Click Apply and then OK to save the changes.
- Fix Default Profile Issues:
- Open Registry Editor by pressing Win + R and typing regedit.
- Navigate to the following path: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList.
- Look for a subkey with a SID (Security Identifier) that matches the affected user profile.
- Delete the subkey with the matching SID.
- If there is a subkey named State with a value of 8000, delete it as well.
- Restart the computer to allow Windows to create a new default profile for the user.
Repairing and Resetting Windows PC
If you are encountering the “User Profile Service failed the sign-in” error on your Windows PC, there are a few steps you can take to repair and reset your system.
First, restart your computer and try logging in again to see if the issue resolves itself. If not, you can try the following steps:
1. Boot your computer in Safe Mode by pressing the F8 key during startup.
2. Once in Safe Mode, open the Windows Registry Editor by pressing the Windows key + R, typing “regedit,” and pressing Enter.
3. Navigate to the following registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList.
4. Look for a subkey with a “.bak” extension and the same name as your user account. Right-click on it and select “Rename.” Remove the “.bak” extension from the name.
5. Close the Registry Editor and restart your computer.
6. If the issue persists, you can create a new user account by opening the Command Prompt as an administrator and running the following command: net user /add [username] [password].
7. Log in with the newly created user account and transfer your files from the old account to the new one.
Utilizing Command Prompt and Registry Editor
To fix “User Profile Service Failed the Sign-In” errors, you can utilize Command Prompt and Registry Editor. Follow these steps:
1. Press Windows key + R to open the Run dialog box.
2. Type “regedit” and press Enter to open Registry Editor.
3. Navigate to the following location: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList.
4. Look for a key that ends with “.bak” and has the same name as your user profile. Right-click on it and select Rename. Remove the “.bak” from the end of the key.
5. Close Registry Editor and restart your computer.
6. After restarting, press Windows key + X and select Command Prompt (Admin) to open Command Prompt with administrative privileges.
7. Type the following command and press Enter: net user administrator /active:yes.
8. Type the following command and press Enter: net user administrator *. Enter a new password for the administrator account when prompted.
9. Close Command Prompt and sign in with the newly activated administrator account.
10. Create a new user account by going to Settings > Accounts > Family & other users.
11. Add the new account and make sure it has administrator privileges.
12. Sign out of the administrator account and sign in with the new user account.
Handling NTUSER.DAT File Problems
To handle NTUSER.DAT file problems and fix “User Profile Service Failed the Sign-In” errors, follow these steps:
1. Restart the computer and try signing in again. Sometimes, a simple reboot can resolve the issue.
2. If the problem persists, log in with an administrator account and navigate to the user’s profile folder in File Explorer.
3. Locate the NTUSER.DAT file within the user’s profile folder. This file contains the user’s registry settings.
4. Rename the NTUSER.DAT file to NTUSER.DAT.old to create a backup.
5. Open the Registry Editor by pressing Windows Key + R, then typing “regedit” and pressing Enter.
6. Navigate to the following registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList
7. Look for the subkey that corresponds to the affected user’s profile. The subkey’s name will be a combination of letters and numbers.
8. Right-click on the subkey and select “Delete”. Confirm the deletion when prompted.
9. Close the Registry Editor and restart the computer.
10. After restarting, try signing in with the affected user account. The “User Profile Service Failed the Sign-In” error should now be resolved.
Creating and Managing New User Accounts
To create and manage new user accounts, follow these steps:
1. Open the Control Panel and navigate to “User Accounts” or “User Accounts and Family Safety” depending on your operating system.
2. Click on “Manage another account” and then select “Create a new account.”
3. Enter the desired username for the new account and choose whether it should be a standard user or an administrator. Administrators have full control over the system, while standard users have limited privileges.
4. Set a password for the new account. Make sure it meets the complexity requirements and is easy to remember.
5. Optionally, you can add a password hint to help the user remember their password.
6. Click “Create Account” to finish creating the new user account.
To manage existing user accounts:
1. From the User Accounts section in the Control Panel, click on “Manage another account.”
2. Select the account you want to manage and choose from the available options. You can change the account type, password, or delete the account if necessary.
Remember to always follow best practices when managing user accounts, such as regularly reviewing and updating permissions and access rights, as well as ensuring strong passwords are in place.
If you encounter any issues or errors related to user profiles, you can refer to the Event Viewer or consult the Microsoft Windows support page for troubleshooting steps.
Note: These instructions are specific to Windows operating systems and may vary slightly for other platforms.
Restarting the User Profile Service
If you are encountering a “User Profile Service Failed the Sign-In” error, one possible solution is to restart the User Profile Service. This can help resolve any issues with the user profile and allow you to sign in successfully.
To restart the User Profile Service, follow these steps:
1. Press the Windows key + R to open the Run dialog box.
2. Type services.msc and press Enter to open the Services window.
3. Scroll down and locate the User Profile Service in the list.
4. Right-click on the User Profile Service and select Restart from the context menu.
5. Wait for the service to restart.
6. Once the service has restarted, close the Services window.
7. Try signing in again to see if the error has been resolved.
By restarting the User Profile Service, you are refreshing the service and allowing it to function properly. This can help resolve any issues that were causing the “User Profile Service Failed the Sign-In” error.
Remember to restart your computer after performing these steps to ensure that the changes take effect.
If the error persists, you may need to further investigate other possible causes or seek additional assistance from technical support.
F.A.Qs
How to fix the user profile service service failed to sign in?
To fix the “User profile service failed to sign in” issue, you can try running the System File Checker (SFC) tool in Safe Mode. Open Command Prompt as an administrator, type “sfc /scannow” and press Enter. Wait for the scanning and repair process to finish.
How do I restart user profile service?
To restart the user profile service, you can reset your Windows PC. Open PC settings, go to Updates and security, and click on Recovery. Alternatively, you can force kill your system a few times to boot in safe mode automatically and then select Reset this PC.
How do I fix Windows user profile error?
To fix a Windows user profile error, you can try the following methods:
1. Boot Windows into safe mode.
2. Create a new local user account.
3. Use system restore.
4. Restart the user profile service.
5. Switch to the normal startup.
6. Replace the NTUSER.dat file.
How do I recover a corrupted user profile in Windows 10?
To recover a corrupted user profile in Windows 10, you can open Microsoft Management Console by searching for “mmc” in the Start menu and pressing Enter. Then, navigate to Local Users and Groups in the left pane. From there, select the Users folder and go to the Action menu to create a new user.
