Microsoft.windows.windowsupdate.ruximlog Failed To Start May 2026

The error message "Session 'Microsoft.Windows.WindowsUpdate.RUXIMLog' failed to start"

If this error coincides with actual Windows Update failures, use the following troubleshooting methods: 1. Run the Windows Update Troubleshooter microsoft.windows.windowsupdate.ruximlog failed to start

, or did you just happen to see this error while checking the Event Viewer The error message "Session 'Microsoft

Download

Navigate to C:\Windows\SoftwareDistribution and delete everything inside the and DataStore folders. microsoft.windows.windowsupdate.ruximlog failed to start

Is This Error Dangerous?

"microsoft.windows.windowsupdate.ruximlog failed to start"

Here’s a helpful, straightforward write-up on the error:

Registry Editor

Use ( regedit ) to search for ruximlog :