Git Push Rejected Non Fast Forward: Troubleshooting Checklist
If you see ! [rejected] main -> main (non-fast-forward) when running
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Git LFS Push Error 403
You're trying to push a large file with Git LFS and get a 403 error. This usually means the s...
Fix VSCode Git Authentication Failed: Reset Credentials
If you see a "Git authentication failed" error in Visual Studio Code, it usually means yo...
Enable Docker Desktop to Start Automatically on Windows 11
If you use Docker Desktop daily, having it start automatically when you boot Windows 11 saves tim...
Windows 11 Update Failed Blue Screen Rollback Fix
You start your PC after a Windows 11 update and get a blue screen, then it rolls back. This artic...
Fix Windows Update Error 0x80070002 Due to Low Disk Space
Windows Update error 0x80070002 often appears when your system drive lacks enough free space for ...
Issue queue
SitemapHow to Resolve Git index.lock Permission Denied
Fix Docker Compose Shell Variable Not Working
Fixing Git Merge Abort Not Working
Fixing Python Dependency Conflicts with pip
npm install EACCES Permission Denied Fix
Nginx 502 Bad Gateway: Docker Load Balancer Fixes
Repair Tool for 0x800f081f Windows Update Failure
How to Show Git Changes in VS Code Source Control
Fixing Cloudflare 521 Error After Server Restart
Resolve Nginx File Permission Denied Error
How to Debug a Docker Container That Exits Immediately
Windows 11 Bluetooth Icon Not in System Tray
Fix Docker Compose Shell Variable Not Working
Fixing Git Merge Abort Not Working
Fixing Python Dependency Conflicts with pip
npm install EACCES Permission Denied Fix
Nginx 502 Bad Gateway: Docker Load Balancer Fixes
Repair Tool for 0x800f081f Windows Update Failure
How to Show Git Changes in VS Code Source Control
Fixing Cloudflare 521 Error After Server Restart
Resolve Nginx File Permission Denied Error
How to Debug a Docker Container That Exits Immediately
Windows 11 Bluetooth Icon Not in System Tray