Fix Windows Update High CPU Usage When It Stops Working - Troubleshoot Windows Security Proxy Error Due to Antivirus-Windows Update Module Not Found Sync Issue Fix

Updated 2026-06-16 00:05:11office-tools
Fix Windows Update High CPU Usage When It Stops Working - Troubleshoot Windows Security Proxy Error Due to Antivirus-Windows Update Module Not Found Sync Issue Fix
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.