Microsoftwindowswindowsupdateruximlog Failed To Start Full ~upd~ -

RuximLog does appear in official Microsoft documentation.

you through checking your specific Windows version (10 or 11) to locate the exact services mentioned above. Microsoft Update Causes Widespread Windows Failures

alongside this log error, or is the error message the only symptom? Troubleshoot problems updating Windows - Microsoft Support microsoftwindowswindowsupdateruximlog failed to start full

It is not a blue screen. It does not crash your game. It won’t delete your files. But it is there —persistent, unexplained, and unsettling. What is this phantom process? Why is it failing? And, most importantly, should you care?

The error code 0xC0000035 (decimal 3221225525 ) corresponds to STATUS_OBJECT_NAME_COLLISION . In simpler terms, it means Windows attempted to start a new instance of an ETW tracing session, but a session with the identical name ( Microsoft.Windows.WindowsUpdate.RUXIMLog ) was already present in the system. This conflict prevents the new session from launching. RuximLog does appear in official Microsoft documentation

: Low . In most cases, this is a "fluff" error that does not affect system performance or your ability to receive updates.

Independent system update apps, such as Microsoft Update Health Tools, sometimes deploy with conflicting configurations. But it is there —persistent, unexplained, and unsettling

Select every folder and item within this directory and them completely.

del "%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat"

Multiple users have traced the first appearance of this error to the installation of , an update for Windows Update Service Components that Microsoft released starting in October 2023. This update appears to have introduced changes to how Windows Update manages its diagnostic sessions, leading to the session name collision error on many systems.