The "Session 'Microsoft.Windows.WindowsUpdate.RUXIMLog' failed to start" error is a common entry found in the Windows Event Viewer . It is usually associated with Event ID 2 and error code 0xC0000035 (STATUS_OBJECT_NAME_COLLISION). Microsoft Learn What is RUXIMLog? RUXIM stands for Reusable UX Integration Manager
Navigate to Settings > Update & Security > Troubleshoot > Additional troubleshooters and run the Windows Update troubleshooter. 2. Clear the Windows Update Cache microsoft.windows.windowsupdate.ruximlog failed to start
you’re likely seeing it in (especially under Windows Logs > System or Application ) or in a startup log. This error can be confusing because it references a component that looks like a Windows Update logging module, but with an unusual name ( ruximlog ). The "Session 'Microsoft
: Some users have resolved the persistent log entry by uninstalling Microsoft Update Health Tools RUXIM stands for Reusable UX Integration Manager Navigate
For most users, this error can be safely ignored . It represents a failed attempt to start a telemetry/logging session, but it typically does not prevent Windows from downloading or installing updates.