Microsoftwindowswindowsupdateruximlog Failed To Start Verified Full May 2026

"Session 'Microsoft.Windows.WindowsUpdate.RUXIMLog' failed to start"

The error message "WindowsUpdateRUXImLog failed to start full" typically appears when the Windows Update service encounters a problem while attempting to download and install updates. The "RUXImLog" part of the error message seems to be related to the Windows Update log file, which records events related to the update process. microsoftwindowswindowsupdateruximlog failed to start full

After analyzing various user reports and expert feedback, we've identified some common causes that might trigger the "WindowsUpdateRUXImLog failed to start full" error: "Session 'Microsoft

. If the error appeared immediately after an update, you may choose to uninstall that specific update via Control Panel Programs and Features View installed updates Microsoft Learn Are you currently experiencing any performance issues failed update installations , or did you just happen to notice this error in your Event Viewer If the error appeared immediately after an update,

Error Overview

If the log file failed to start due to file corruption, the System File Checker (SFC) and Deployment Image Servicing and Management (DISM) tools are your best line of defense.

Error Overview: Microsoft-Windows-WindowsUpdate-RUXIM\Log Failed to Start