Fix 'Permission Denied' in VS Code When File Isn't Read-Only
You're editing a file in VS Code and get a 'Permission denied' error when saving, eve...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Nginx Upstream Connection Refused on Port 80
When nginx logs show "upstream connection refused" while connecting to port 80, it means ...
How to Fix Windows 11 Taskbar Icons Missing After Update
After a Windows 11 update, some users find that taskbar icons—like the Start button, search, or p...
VSCode Terminal Not Opening on Ubuntu: Fixes That Work
You open the integrated terminal in VSCode on Ubuntu, but nothing happens—no shell, no error, jus...
Fix Cloudflare Error 521 After a Server Update
If you see Cloudflare error 521 after updating your server, the origin web server is refusing the...
npm run build Failed: Troubleshooting Checklist
When npm run build fails, the error message can be cryptic. This checklist walks thr...
Issue queue
SitemapTroubleshooting Cloudflare SSL Full Strict Errors
Fix Node Version Incompatible with Dependencies
Windows 11 Bluetooth Pairing Steps
Fix Chrome High Memory Usage on Windows 10
Resolve Node Version Error When Installing Packages
Firefox Not Loading Sites? Fix Secure Connection Failed
ERR_NAME_NOT_RESOLVED Chrome Fix: Proxy & DNS Steps
How to Push Large Files with Git: A Checklist
Troubleshoot ERR_CONNECTION_RESET Chrome Error
Troubleshoot Firefox Secure Connection Failed with Proxy
VSCode Bitbucket Git Credential Error Troubleshooting
Why Your Docker Container Exits Immediately and How to Fix It
Fix Node Version Incompatible with Dependencies
Windows 11 Bluetooth Pairing Steps
Fix Chrome High Memory Usage on Windows 10
Resolve Node Version Error When Installing Packages
Firefox Not Loading Sites? Fix Secure Connection Failed
ERR_NAME_NOT_RESOLVED Chrome Fix: Proxy & DNS Steps
How to Push Large Files with Git: A Checklist
Troubleshoot ERR_CONNECTION_RESET Chrome Error
Troubleshoot Firefox Secure Connection Failed with Proxy
VSCode Bitbucket Git Credential Error Troubleshooting
Why Your Docker Container Exits Immediately and How to Fix It