Stop the and the Windows Update service in services.msc . Delete the files in C:\Windows\SoftwareDistribution . Restart the services. Check for Graphics Driver Conflicts
Follow these troubleshooting steps in sequence to safely resolve the issue on Windows 10 or Windows 11. Step 1: Clear the Autologger Registry Entry
your computer. This fix is often cited on Microsoft Learn as a way to stop the specific startup error. 🔍 Understanding the Error
DISM /online /cleanup-image /restorehealth sfc /scannow microsoftwindowswindowsupdateruximlog failed to start full
The UXIMLog is part of the modern Windows Update infrastructure (often managed by the Unified Update Platform, or UUP). It deals with the user experience aspects of updates—notifications, readiness checks, and interactive prompts. When this log fails, the "UX" of Windows Update suffers. Windows Update stuck on "Checking for updates." Error code 0x800704b3 or other update errors.
This clears the update cache and restarts essential services.
Windows will automatically re-download a clean, working version during your next automated check cycle. 🔍 Understanding the Log Errors Stop the and the Windows Update service in services
Inspect permissions for SoftwareDistribution and catroot2: icacls C:\Windows\SoftwareDistribution icacls C:\Windows\System32\catroot2
Or list all services with their binary paths:
Because error 0xC0000035 means an instance name is already active, deleting the old registry trace forces Windows to rebuild the session cleanly. Press to open the Run dialog box. Type regedit and press Enter to open the Registry Editor. Press Windows Key + R
Some tools add custom trace/log providers and fail to uninstall cleanly.
Generally, no. According to community contributors on Microsoft Learn, if your computer is otherwise running smoothly and installing updates, this log error can be safely ignored.
Some users report that after a system restart, the error disappears on its own. Windows may attempt to reinitialize the affected session after a short delay, and if successful, the error may not reappear.
Minimize the Command Prompt window. Press Windows Key + R , paste the path below, and hit Enter : C:\Windows\SoftwareDistribution\ Use code with caution.
alongside this log error, or is the error message the only symptom? Troubleshoot problems updating Windows - Microsoft Support