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Firefox Not Responding: Clean Reinstall Guide - Fix Microsoft Teams High Memory Usage on Mac M1-How to Resolve Port Already Allocated by Defender

Updated 2026-06-15 23:21:50windows-fixes
Firefox Not Responding: Clean Reinstall Guide - Fix Microsoft Teams High Memory Usage on Mac M1-How to Resolve Port Already Allocated by Defender
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.

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