Fix Windows Security Connection Refused Due to Antivirus Blocking - How to Turn On Windows Defender from Command Line-Teams Token Expired: Troubleshooting Steps

Updated 2026-06-19 00:04:01security-tools
Fix Windows Security Connection Refused Due to Antivirus Blocking - How to Turn On Windows Defender from Command Line-Teams Token Expired: Troubleshooting 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.