Fix Microsoft Teams Login Loop After Update - Windows Update Error 0x80070020 Registry Fix-How to Stop Antimalware Service Executable High CPU

Updated 2026-06-14 00:11:18browser-issues
Fix Microsoft Teams Login Loop After Update - Windows Update Error 0x80070020 Registry Fix-How to Stop Antimalware Service Executable High CPU
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.