Wait for the confirmation layout to verify that files were repaired, then reboot the device. Method 3: Reset Windows Update Cache Components
Right-click on the Microsoft.Windows.WindowsUpdate.RUXIMLog folder and click . Close the editor and reboot your PC . 4. Reinstall or Reset Microsoft Update Health Tools
Third-party antivirus programs may block RUXIM from starting.
The CPU usage on the afflicted machine was consistently 2% higher than the baseline. A small leak, but in a fleet of 10,000 machines, that’s wasted electricity, wasted compute, and a pile of logs that would eventually fill the hard drive if not rotated properly.
A leftover or malformed service entry points to a nonexistent DLL/EXE.
It stands for Reusable UX Integration Manager . It is part of the Windows Update "remediation" system designed to ensure your device is ready for updates.
Using sc query or sc qc <servicename> in an :
While unlikely, sophisticated malware has been known to use misleading service names. If you see this error combined with high CPU usage, unexpected network activity, or pop-up ads, run a full antivirus scan.
If the error persists or your system feels unstable, run these standard repair tools in an :
However, if your system is completely blocked from downloading new security updates, working through the repair steps above will restore proper functionality to the Windows Update pipeline. To help find the best solution, Share public link
from the "Apps & Features" menu, followed by a reboot, stops the error. Microsoft Learn Are you experiencing any actual update failures or performance issues along with this error message?
%SystemRoot%\system32\RUXIMLog.dll
"Session 'Microsoft.Windows.WindowsUpdate.RUXIMLog' failed to start" (often with error code 0xC0000035