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 Cloudflare Wildcard Subdomain Not Resolving
You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) expecting all s...
Fixing Windows Update Error 0x80070005 and SFC Scan Issues
You try to run Windows Update but get error 0x80070005. When you run System File Checker (SFC /sc...
Fix 'Windows Cannot Access Shared Folder' Credential Errors
When you try to open a shared folder from another computer and see 'Windows cannot access'...
How 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 Python Permission Denied When Installing Package in Virtual Environment
You activate your Python virtual environment, run pip install somepackage, and get a...
Issue queue
SitemapFix VS Code Source Control Not Detecting Changes on Windows 11
ERR_NAME_NOT_RESOLVED Troubleshooting Steps
Fix Breakpoints Not Hitting in VSCode Python
Resolve Docker MySQL Port Conflict
How to Resolve VS Code Terminal Permission Denied
How to Fix Externally Managed Environment Error in Python venv
node-sass Build Failed: Common Causes and Solutions
Fix 'Permission Denied' When Using mkdir in VS Code Terminal
Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking
How to Set Timeout in Python Requests
How to Fix DNS Probe Finished NXDOMAIN with Google DNS
pip install Troubleshooting: Permission and Dependency Issues
ERR_NAME_NOT_RESOLVED Troubleshooting Steps
Fix Breakpoints Not Hitting in VSCode Python
Resolve Docker MySQL Port Conflict
How to Resolve VS Code Terminal Permission Denied
How to Fix Externally Managed Environment Error in Python venv
node-sass Build Failed: Common Causes and Solutions
Fix 'Permission Denied' When Using mkdir in VS Code Terminal
Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking
How to Set Timeout in Python Requests
How to Fix DNS Probe Finished NXDOMAIN with Google DNS
pip install Troubleshooting: Permission and Dependency Issues