How to Fix the ‘Windows 11 User Profile Service Failed the Sign-In Error’
Windows 11 is the latest operating system from Microsoft, offering a range of new features and improvements. However, like any software, it is not immune to errors. One common issue that users may encounter is the ‘Windows 11 User Profile Service Failed the Sign-In Error.’ This error can be frustrating and prevent users from accessing their accounts. In this guide, we will walk you through the troubleshooting steps to resolve this error effectively.
Potential Causes of the Error:
- Corrupted user profile
- Incorrect user account settings
- Windows updates or system files corruption
- Malware or virus infection
Step-by-Step Guide to Fix the Error:
- Restart Your Computer: Sometimes, a simple restart can resolve temporary glitches. Restart your computer and try signing in again.
- Boot into Safe Mode: If the error persists, boot your computer into Safe Mode by restarting and pressing F8. Check if you can sign in successfully in Safe Mode.
- Create a New User Account: If you can sign in using Safe Mode, create a new user account in the Control Panel and try logging in with the new account.
- Run System File Checker: Open Command Prompt as an administrator and run the ‘sfc /scannow’ command to scan and repair corrupted system files.
- Check for Windows Updates: Ensure your Windows 11 is up to date by checking for and installing any pending updates.
- Scan for Malware: Use a reputable antivirus software to scan your system for malware or viruses that may be causing the error.
- Restore System: If none of the above steps work, you can try restoring your system to a previous restore point when the error was not occurring.
- Reset User Profile: If the user profile is corrupted, you can try resetting it by following the steps in the Control Panel.
- Edit Registry Settings: Be cautious while editing the registry, but you can try modifying specific registry settings related to user profiles to fix the error.
- Perform a System Repair: Use the Windows Recovery Environment to perform a system repair that can fix any underlying system issues causing the error.
- Contact Microsoft Support: If you are unable to resolve the error, you can reach out to Microsoft Support for further assistance and guidance.
Effective Solutions to the Error:
By following these troubleshooting steps and solutions, you can effectively fix the ‘Windows 11 User Profile Service Failed the Sign-In Error’ and regain access to your account. Remember to back up your important data before making any significant changes to your system.

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