If resetting the session doesn't work, the log file itself might be corrupted. Renaming it forces Windows to create a new, healthy file.
Select to create a backup file of this key before making changes. Right-click the key again and select Delete .
If the error is accompanied by actual performance issues or update failures, follow these steps: Step 1: Run Windows Update Troubleshooter If resetting the session doesn't work, the log
Clearing the update cache forces the system to re-initialize its logging and update files. Command Prompt as an administrator. Type these commands one by one, pressing Enter after each:
Corrupted files in the update folder may cause persistent logging errors. Microsoft Learn Stop the Windows Update service: net stop wuauserv Navigate to C:\Windows\SoftwareDistribution and delete all files and folders inside. Restart the service: net start wuauserv Microsoft Learn Is this error critical? Right-click the key again and select Delete
Sometimes, the local diagnostic groups lack the proper permissions to overwrite or manage existing log sessions.
Minimize the Command Prompt window and open ( Windows Key + E ). Type these commands one by one, pressing Enter
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\WMI\Autologger\WindowsUpdateTracelog DWORD and set its value to
Look for "WindowsUpdateTracelog" or "Circular Kernel Context Logger."