Windows Defender High CPU and Memory Usage Not Working: Fixes - Certbot Nginx Plugin Error Fix Guide-Troubleshoot Windows Search Token Expired 80090016

Updated 2026-06-18 08:10:31developer-tools
Windows Defender High CPU and Memory Usage Not Working: Fixes - Certbot Nginx Plugin Error Fix Guide-Troubleshoot Windows Search Token Expired 80090016
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.