Git Push Rejected Non Fast Forward: Troubleshooting Checklist
If you see ! [rejected] main -> main (non-fast-forward) when running
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Python Permission Denied When Installing Packages
You try to install a Python package with pip and get a PermissionError: [Errno 13] Permissi...
Fix VS Code Source Control Not Detecting Changes on Windows 11
If you're using VS Code on Windows 11 and the Source Control panel isn't showing your fil...
Fix Git 'fatal: refusing to merge unrelated histories' on GitHub
You try to merge two branches in Git, and get fatal: refusing to merge unrelated histories<...
Fix 'Permission Denied' Error When Saving VS Code settings.json
You open VS Code's settings.json (either user or workspace), make a change, and try to save. ...
Fix Windows Update Error 0x80070002 Due to Network Issues
If you see Windows Update error 0x80070002, it often means the update files are missing or corrup...
Topic paths
Quick titles
Chrome Update Causing Black Screen? Disable Hardware AccelerationHow to Rebuild Taskbar Icon Cache in Windows 10Resolve index.lock Exists in Git on LinuxChrome Extensions Not Loading: Troubleshooting GuideHow to Stop Windows Explorer from Restarting After Installing SoftwareFix Python Memory Errors When Processing Large FilesFix Windows Cannot Access Shared Folder with Password Protected SharingFix 'network not found' Error in Docker on Linux