Microsoft.windows.windowsupdate.ruximlog Failed To Start 'link' Jun 2026

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

When Windows attempts to start this component (for instance, during a scheduled update scan) and fails, you see the error: "microsoft.windows.windowsupdate.ruximlog failed to start."

Find Microsoft.Windows.WindowsUpdate.RUXIMLog , right-click it, and select . Restart your computer. microsoft.windows.windowsupdate.ruximlog failed to start

If your system is performing normally otherwise, you can safely ignore this log error. If you are experiencing performance issues or update failures, follow these steps: Microsoft Learn

If found, check which application owns it – likely a network utility, proxy tool, or custom logging framework. Reinstall or update that software. The error message "Session 'Microsoft

It is a legitimate Microsoft Windows Update component introduced in newer versions of Windows 10 and Windows 11.

This replaces corrupt Windows Update components, including ruximlog , with fresh ones from the latest build. If you are experiencing performance issues or update

If these steps do not resolve the issue, or if you're uncomfortable performing them, consider seeking help from a professional or someone familiar with Windows troubleshooting.

If the RUXIM binaries themselves are corrupted, Windows built-in deployment tools can repair them by comparing your system files against a fresh master image from Microsoft servers. Open .

Rename the cache folders to force Windows to recreate clean versions: