Start //top\\: Microsoft.windows.windowsupdate.ruximlog Failed To

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

• Windows Defender (or Microsoft Defender Antivirus)
• Malwarebytes (free version is fine)

By removing the rogue service entry from the Windows Registry and scanning for malware, you will resolve the error in under ten minutes. If the problem persists, resetting the Windows Update components or performing an in-place upgrade will restore your system to full health. microsoft.windows.windowsupdate.ruximlog failed to start

• Exact Event Viewer error entries (Event ID, full message).
• Results from SFC/DISM.
• Recent Windows Update history. Share these with IT support or Microsoft support for deeper analysis.