To Start !!top!!: Microsoft.windows.windowsupdate.ruximlog Failed

Corrupted system files are a common cause of this failure. Running Windows repair tools can fix the issue.

Download the version that matches your system architecture (e.g., x64 for 64-bit systems).

Once that completes, type this command and press Enter: sfc /scannow after the scan finishes. Solution 2: Clear the Windows Update Cache microsoft.windows.windowsupdate.ruximlog failed to start

: Checking the Event Viewer (eventvwr.msc) for related errors can provide more detailed information about the issue.

Recent updates, especially those updating the Microsoft Update Health Tools, can cause misconfigurations in the RUXIM service. Corrupted system files are a common cause of this failure

The error is a common Windows Event Viewer entry (usually assigned Event ID 2) that occurs when a real-time logging trace for a Windows Update subsystem crashes or encounters a naming conflict.

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Sometimes ruximlog fails to start due to incorrect registry permissions.

This article explains what this error means, why it happens, and how to fix it in 2026. What is RUXIMLog?

Manually clearing the temporary update files often stops the recurring "Name Collision" error.

Type in your Windows search bar, right-click Command Prompt , and select Run as administrator .