How to Clear Microsoft Teams Update Cache: Step-by-Step - Resolve 502 Bad Gateway in Windows Defender-Fix Outlook Error 0x80040115: Service Unavailable

Updated 2026-06-14 00:56:39developer-tools
How to Clear Microsoft Teams Update Cache: Step-by-Step - Resolve 502 Bad Gateway in Windows Defender-Fix Outlook Error 0x80040115: Service Unavailable
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.