How to Fix Git Push Rejected Non-Fast-Forward - Docker Compose Port Conflict: 8080 Already Allocated-Group Policy Method to Enable Windows Defender Real-Time Protection

Updated 2026-07-28 00:12:25windows-fixes
How to Fix Git Push Rejected Non-Fast-Forward - Docker Compose Port Conflict: 8080 Already Allocated-Group Policy Method to Enable Windows Defender Real-Time Protection
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.