Fix Microsoft Teams Blank Screen: Web vs Desktop - Reduce PowerShell CPU Usage on Windows 10-Fix Windows Defender Update Error 0x80240022

Updated 2026-06-19 09:01:09browser-issues
Fix Microsoft Teams Blank Screen: Web vs Desktop - Reduce PowerShell CPU Usage on Windows 10-Fix Windows Defender Update Error 0x80240022
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.