Microsoftwindowswindowsupdateruximlog Failed To Start — Patched Fixed

Right-click the folder, select , and confirm the operation. Restart your computer. Method 2: Repair Core Components via DISM and SFC Scans

: The kernel could not initialize the session, often because of a 0xC0000035 (Object Name Collision) error, meaning a session with that name is already running or a file is locked.

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

If any threats are found, remove them and reboot before proceeding. Right-click the folder, select , and confirm the operation

Delete the .ETL files inside this folder. These are temporary diagnostic logs and are safe to remove. 2. Reset Windows Update Health Tools

The system log generates a entry stating: Session "Microsoft.Windows.WindowsUpdate.RUXIMLog" failed to start with the following error: 0xC0000035 .

Understanding the "Microsoft.Windows.WindowsUpdate.RUXIMLog Failed to Start" Error After Patching Type into your Windows search bar, right-click Command

Wait for the program to scan your background layout vectors.

Locate the specific folder key named .

Manually clearing the temporary log files generated by the remediation tools often resets the service state. Navigate to: C:\ProgramData\Microsoft\PLUG\Logs . These are temporary diagnostic logs and are safe to remove

If the warning continues to log in Event Viewer after following these steps, but your system is successfully applying new cumulative monthly quality updates, you can safely ignore the log entry. Microsoft frequently deploys cumulative overrides that silence these non-impactful logging conflicts dynamically over time. To help pinpoint the best next step, please share:

The error is rarely fatal, but it is a sign that your Windows Update UI is not communicating correctly with the kernel. By clearing the SoftwareDistribution folder and ensuring system files are intact via DISM, you can usually clear the "patched" error and get your updates back on track.

Look for any keys related to . If they are marked with a 0 value or "Disabled," this is likely your culprit.