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

If the error persists, the issue lies deeper within the Windows Update infrastructure. Resetting the components often clears the "failed to start" log error.

Microsoft’s Autoruns utility (free from Sysinternals) shows everything that starts automatically — services, scheduled tasks, drivers, etc. microsoft.windows.windowsupdate.ruximlog failed to start

If the Scheduled Task looks fine, the actual file the task is trying to launch might be corrupted. You can use Windows' built-in tools to repair them. If the error persists, the issue lies deeper