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 notesFix Windows 11 WiFi with Internet but No Network Access
After a network reset, some Windows 11 users find their WiFi connects but shows "No internet&...
Fix Windows 11 Setup Stuck at 99%
You're installing Windows 11 and the progress bar hangs at 99% for a long time. This is a kno...
Fix pip Externally Managed Environment Errors
If you're on a modern Linux distribution and see error: externally-managed-environment<...
Fix Chrome Hardware Acceleration Black Screen in Windows 11
If Chrome shows a black screen on Windows 11, especially after an update or when playing video, h...
Fix VS Code Terminal Not Opening with Docker
If your VS Code terminal refuses to open when Docker is running or after installing Docker extens...
Issue queue
SitemapTaskbar Icons Missing on Second Monitor? Here's the Fix
Fix 'Python' Command Not Found in VS Code Terminal on Windows
Troubleshoot Docker Compose Missing Environment Variables
Fix 'Python Virtual Environment Activate Command Not Found'
Python Conda Install Permission Issue Fix
Troubleshoot Edge History Sync Problems
How to Fix Cloudflare 522 Error: Check Your Origin Server
Chrome Extensions Grayed Out: Fixes That Work
Update Git Remote URL with set-url origin
Resolve Access Denied Error in VS Code Integrated Terminal
Fix Cloudflare Origin Certificate with Let's Encrypt
How to Resolve Nginx 502 Bad Gateway on Docker
Fix 'Python' Command Not Found in VS Code Terminal on Windows
Troubleshoot Docker Compose Missing Environment Variables
Fix 'Python Virtual Environment Activate Command Not Found'
Python Conda Install Permission Issue Fix
Troubleshoot Edge History Sync Problems
How to Fix Cloudflare 522 Error: Check Your Origin Server
Chrome Extensions Grayed Out: Fixes That Work
Update Git Remote URL with set-url origin
Resolve Access Denied Error in VS Code Integrated Terminal
Fix Cloudflare Origin Certificate with Let's Encrypt
How to Resolve Nginx 502 Bad Gateway on Docker