Microsoftwindowswindowsupdateruximlog Failed To Start Patched ~upd~
microsoftwindowswindowsupdateruximlog failed to start refers to a failure in the Update Experience Interaction Manager (UXIM)
Right-click the button and select Terminal (Admin) or Command Prompt (Admin) . Type sfc /scannow and press Enter .
As of late March and April 2026, several Windows Update issues have been reported and subsequently addressed: KB5079391 Withdrawal : Microsoft recently pulled the
failing to start, manually clearing the performance logs can act as a reset. Navigate to C:\Windows\System32\LogFiles\WMI\RtBackup Stopping the Event Log service and clearing these files allows Windows to recreate the session cleanly upon the next reboot. Is it a Security Risk? No. This is a functional error related to telemetry and UI logging This is a functional error related to telemetry
If restarting the service doesn't help, proceed to the next steps.
If the error started after a specific patch, repairing the "Health Tools" can fix registry mismatches.
Corrupted system files can trigger this error: leading to a broken session.
(If other methods fail, this will repair Windows without deleting your files)
Reboot after completion.
Or, if manual intervention is required:
If the underlying system update pipeline contains corrupted cache files, the RUXIM process will endlessly fail to launch its telemetry logging. Rebuilding your local software distribution folder rectifies this loop.
The patch was partially applied, leading to a broken session. Step-by-Step Solutions to Fix RUXIMLog
net stop wuauserv net stop cryptSvc net stop bits net stop msiserver Use code with caution. Rename the update folders: This is a functional error related to telemetry
If the error started recently, restore to a point before the issue appeared.