How to Fix Cloudflare 522 Error (Firewall Blocking)
If you see a Cloudflare 522 error, the connection between Cloudflare and your origin server timed...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesRenew an Expired Cloudflare Origin Certificate: Step-by-Step
If your Cloudflare origin certificate has expired, visitors will see SSL errors and your server m...
Nginx Upstream Connection Refused: Diagnosis and Fixes
When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...
Reset Network Settings in Windows 11 When You Have No Internet
If you're reading this, you probably can't get online in Windows 11. The network icon in ...
Fix Node.js Heap Out of Memory When Loading Modules
If you see FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaS...
How to Fix Nginx 502 Bad Gateway in Docker Compose
If you're running an application with Docker Compose and Nginx as a reverse proxy, a 502 Bad ...
Issue queue
SitemapGit Push Rejected: Non-Fast-Forward Error Fix
Windows 7 Python Command Not Found Troubleshooting
Troubleshooting Git Push Errors: Non-Fast-Forward and SSH
How to Fix Python Not Found in Git Bash on Windows
Windows 11 Update Service Stopped? Here's How to Restart It
Troubleshoot Windows 10 Taskbar Icon Issues
Troubleshooting npm run build Failures
How to Roll Back a Driver After a Windows 11 Blue Screen
How to Restore Missing Taskbar Icons
Cloudflare Origin Certificate Missing from Dashboard
How to Solve pip Permission Denied on Linux and macOS
Windows 11 Update Stuck at 0% in Safe Mode: How to Fix
Windows 7 Python Command Not Found Troubleshooting
Troubleshooting Git Push Errors: Non-Fast-Forward and SSH
How to Fix Python Not Found in Git Bash on Windows
Windows 11 Update Service Stopped? Here's How to Restart It
Troubleshoot Windows 10 Taskbar Icon Issues
Troubleshooting npm run build Failures
How to Roll Back a Driver After a Windows 11 Blue Screen
How to Restore Missing Taskbar Icons
Cloudflare Origin Certificate Missing from Dashboard
How to Solve pip Permission Denied on Linux and macOS
Windows 11 Update Stuck at 0% in Safe Mode: How to Fix