Fix PowerShell Connection Refused Errors in Scripts - Fix Windows Defender 502 Bad Gateway: Tool Usage Tips-Fix Windows Security Not Launching After Malware Removal

Updated 2026-06-13 20:03:58cloud-software
Fix PowerShell Connection Refused Errors in Scripts - Fix Windows Defender 502 Bad Gateway: Tool Usage Tips-Fix Windows Security Not Launching After Malware Removal
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.