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 listUpdate Git SSL Certificates to Fix 'unable to get local issuer'
If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...
Fix Nginx Configuration Test Failure on Location Directive
When you run nginx -t and see an error like [emerg] invalid location directive...
Fix Git Push Rejected: Non-Fast-Forward Error
You try to push a commit to a remote repository and get: ! [rejected] main -> main (non-...
Fix Firefox Secure Connection Failed Due to Proxy Settings
If you see "Secure Connection Failed" in Firefox and suspect a proxy is involved, you'...
How to Fix Taskbar Icons Not Loading on Startup
You boot your PC, but the taskbar icons—volume, network, battery, or pinned apps—don't show u...
Topic paths
Quick titles
Resolve Git Authentication Error in VS Code (Linux)Restore Missing Taskbar Icons in WindowsEnable Microsoft Edge Sync on Mac: Complete WalkthroughChrome Startup Crash When Opened from Task ManagerVS Code Permission Denied Error Windows 11 FixHow to Get Chrome Extensions Working AgainWindows Update 0x800f081f: Causes and FixesHow to Resolve Python Memory Errors with Large Files