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Group Policy Client service failed the sign-in

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Bychris_fry

Method 1: Delete or Rename the Corrupted Profile

A local user profile corruption is the most common culprit.

  1. Log into your PC using a separate Administrator account (if you do not have one, try booting into Safe Mode).
  2. Open File Explorer and navigate to C:\Users.
  3. Locate the folder of the user account that is having the issue.
  4. Rename this folder (e.g., add .old to the end of the username).
  5. Restart your computer and try to log in again. Windows will create a fresh, clean profile for the user.

Method 2: Fix Group Policy Client Registry Keys

If the service itself is locked up due to permission issues, you can adjust the registry.

  1. Log in as an Administrator, press Win + R, type regedit, and hit Enter.
  2. Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\gpsvc.
  3. Ensure that the SYSTEM account has Full Control over this key and its subkeys.
  4. Additionally, ensure there is a GPSvcGroup key configured under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost.

Method 3: Run System File Checker (SFC)

Corrupted system files can block Group Policy from loading.

  1. Press the Windows Key, type cmd, right-click Command Prompt, and select Run as administrator.
  2. Type sfc /scannow and press Enter.
  3. Allow the scan to complete and repair any broken files, then reboot your computer.