How to Fix Microsoft Teams Microphone Not Working on Windows 10 - Restore Default Windows Defender Configuration-Fix BitLocker 502 Bad Gateway Error: Practical Steps

Updated 2026-06-14 14:32:20macos-help
How to Fix Microsoft Teams Microphone Not Working on Windows 10 - Restore Default Windows Defender Configuration-Fix BitLocker 502 Bad Gateway Error: Practical Steps
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.