How to Fix Git Push Rejected (Non-Fast-Forward) Error - Windows Security App Not Opening After Update-Troubleshoot Firefox Malware Secure Connection Failed

Updated 2026-07-28 23:29:12windows-fixes
How to Fix Git Push Rejected (Non-Fast-Forward) Error - Windows Security App Not Opening After Update-Troubleshoot Firefox Malware Secure Connection Failed
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.