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 npm run build Failed Due to Missing Dependencies
When you run npm run build and it fails with errors about missing dependencies, the ...
How to Fix Windows Cannot Access Shared Folder
You try to open a shared folder on another PC and get 'Windows cannot access \\computer\share...
Fix Git Push Rejected Non Fast Forward Rebase Error
If you see ! [rejected] and non-fast-forward after a rebase, it means y...
How to Fix Git Push Rejected: Non-Fast-Forward Merge
You run git push and get: ! [rejected] main -> main (non-fast-forward)
How to Fix Chrome Sync Not Working with Multiple Profiles
If you use multiple Chrome profiles—say, one for work and one for personal—sync can sometimes sto...
Issue queue
SitemapResolve NGINX Upstream Refused SSL Errors
How to Fix 'nginx configuration test failed'
How to Set Node.js Max Heap Size Permanently
Mac Git: Dealing with Existing Remote Origin
Troubleshooting Nginx Redirect Loops
Windows 11 Wi-Fi No Internet: Quick Fix Guide
How to Resolve Unusable Breakpoints in Visual Studio Code
Fix npm Global Install Permission Denied Without Sudo
Fix Windows Update Service Disabled Error
Docker Volume Permission Denied vs Bind Mount: Fix Guide
Resolve Git Permission Denied for Large File Push
Cloudflare 521 Error: Server Timeout – Causes and Fixes
How to Fix 'nginx configuration test failed'
How to Set Node.js Max Heap Size Permanently
Mac Git: Dealing with Existing Remote Origin
Troubleshooting Nginx Redirect Loops
Windows 11 Wi-Fi No Internet: Quick Fix Guide
How to Resolve Unusable Breakpoints in Visual Studio Code
Fix npm Global Install Permission Denied Without Sudo
Fix Windows Update Service Disabled Error
Docker Volume Permission Denied vs Bind Mount: Fix Guide
Resolve Git Permission Denied for Large File Push
Cloudflare 521 Error: Server Timeout – Causes and Fixes