Fix Git Push Rejected Non Fast Forward Error
You run git push and see: ! [rejected] main -> main (non-fast-forward)
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Docker Compose Environment Variable Missing Errors
You run docker-compose up and see errors like WARNING: The VARIABLE_NAME varia...
Fix Python Dependency Conflict Error Code 1
When installing Python packages with pip, you might see an error ending with exit code 1
Docker Compose 'Network Not Found' Error Fix
When running docker compose up, you might see an error like:
network "my...
How to Fix Cloudflare 521 Error (Port 443 Blocked)
When you see a Cloudflare 521 error, it means Cloudflare’s servers cannot connect to your origin ...
Git Merge Conflict: Keep Both Files Instead of One
When you run git merge and get a conflict, Git stops and marks the conflicting files...
Issue queue
SitemapResolving 'index.lock File Exists' in Git
Chrome Extensions Not Loading from Web Store: Fix Guide
Fix VS Code Source Control Not Detecting Changes in Subfolder
Troubleshooting Edge Tab Sync Issues
How to Enable Origin Pull to Fix Cloudflare 521
Fix Cloudflare 522: Steps for Origin Server Timeout
How to Resolve npm install Permission Denied in CI/CD
Fix Git Refusing to Merge Unrelated Histories
Fix VS Code Git Changes Not Showing in Source Control Panel
Fix npm run build Failed After Git Pull
How to Enable Windows Defender Real-Time Protection in Windows 11
Pip Externally Managed Environment vs Virtual Environment: Fixes
Chrome Extensions Not Loading from Web Store: Fix Guide
Fix VS Code Source Control Not Detecting Changes in Subfolder
Troubleshooting Edge Tab Sync Issues
How to Enable Origin Pull to Fix Cloudflare 521
Fix Cloudflare 522: Steps for Origin Server Timeout
How to Resolve npm install Permission Denied in CI/CD
Fix Git Refusing to Merge Unrelated Histories
Fix VS Code Git Changes Not Showing in Source Control Panel
Fix npm run build Failed After Git Pull
How to Enable Windows Defender Real-Time Protection in Windows 11
Pip Externally Managed Environment vs Virtual Environment: Fixes