Microsoftwindowswindowsupdateruximlog Failed To Start Patched -
If you are seeing this error frequently, it may interfere with your ability to see update notifications or finish an install. You can try the following:
If the above methods fail, you can remove the registry entry, forcing Windows to recreate a clean configuration. Press Windows + R , type regedit , and press Enter.
If the problem arose after a specific update or patch:
Before trying complex fixes, use the built-in troubleshooter to allow Windows to automatically fix update components. Open the Start Menu and type . Select Other troubleshooters or Additional troubleshooters . Click Run next to the Windows Update option. Follow the on-screen instructions. 2. Perform System File Checker (SFC) and DISM Scans If you are seeing this error frequently, it
Right-click the folder, select , and confirm the operation. Restart your computer. Method 2: Repair Core Components via DISM and SFC Scans
Press Windows Key + R , type , and delete all files nested inside that path. Return to the prompt and restart the core processes: net start wuauserv net start bits 4. Reinstall or Reset Microsoft Update Health Tools
The system account lacked immediate write access to the log file location. Update Interruptions: If the problem arose after a specific update
folder contains "junk" from previous failed attempts that prevents new services from starting. System File Corruption : Missing or damaged DLLs required by the update agent. Interrupted Processes
The error message "Session 'Microsoft.Windows.WindowsUpdate.RUXIMLog' failed to start"
DISM /Online /Cleanup-Image /ScanHealth DISM /Online /Cleanup-Image /CheckHealth DISM /Online /Cleanup-Image /RestoreHealth Use code with caution. Click Run next to the Windows Update option
Restart your PC. (Windows will likely reinstall this patch later). Conclusion
Select the options menu next to the app entry and choose .
💡 : If your computer is updating normally despite this error, it is often safe to ignore, as it frequently just means a diagnostic log failed to record a single event. Windows Update common errors and mitigation
If RUXIM files are corrupted, you can repair them using sfc /scannow . Open as administrator. Type sfc /scannow and hit Enter. Restart your computer after the process completes. 4. Undo Third-Party Changes