), which helps Microsoft collect diagnostic data to ensure updates are performing correctly
%SystemRoot%\system32\RUXIMLog.dll
If the error persists, deleting the specific log session key can force Windows to recreate it cleanly. Registry Editor Navigate to:
Run the downloaded tool and select Upgrade this PC now . microsoftwindowswindowsupdateruximlog failed to start full
If you want to resolve the error rather than ignore it, you can try these steps: Check and Repair System Files
The abbreviation stands for Reusable User Experience Installation Manager . It is an internal Microsoft deployment subsystem designed to check the compatibility of your device and manage the interaction between your local machine and Microsoft’s update delivery servers.
: Third-party antivirus programs sometimes lock the tracking files ( .etl format), causing a sharing violation. Step-by-Step Fixes for the RUXIMLog Error ), which helps Microsoft collect diagnostic data to
If the service itself is stuck, you can force it to reset by clearing its cache. Command Prompt (Admin) Stop the update services: net stop wuauserv net stop bits Delete all files in C:\Windows\SoftwareDistribution Restart the services: net start wuauserv net start bits Microsoft Learn Contextual Notes Is it harmful?
I opened the regedit on the production machine. I navigated back to the Services key.
How to Fix the "Microsoft.Windows.WindowsUpdate.RUXIMLog Failed to Start" Error It is an internal Microsoft deployment subsystem designed
I spun up a few more VMs—different builds, different versions. Finally, on a machine that was a few months behind on updates, I found a reference to RUXIM . It wasn't a log service, though. It was the .
The error "Microsoft.Windows.WindowsUpdate.RUXIMLog failed to start" often occurs when the Windows Update logging session is already in use or corrupted, frequently appearing in the with Event ID 2 . This log is part of the Reusable UX Integration Manager (RUXIM), which manages update components and health. Immediate Solutions