Fixing Nginx Upstream Connection Refused on Port 443
You see "upstream connection refused" in your Nginx error log when proxying requests to p...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesWindows Update Service Not Running in Windows 11: Fix It
If Windows Update won't start and you see an error like "Windows Update service is not ru...
How to Fix Cloudflare SSL Full Strict Error
If you see a Cloudflare SSL error when using Full (Strict) mode, your origin server is not presen...
Fix VS Code 'Permission Denied' When Saving Files
You're editing a file in Visual Studio Code, hit Ctrl+S, and get an error: "Failed to sav...
Using nvm to Switch Node Version for a Specific Package
You might find that a package fails to install or run because it requires a specific Node.js vers...
VSCode Breakpoint Not Working? Here's How to Fix It
You set a breakpoint, start debugging, but the code runs past it without stopping. This is a comm...
Issue queue
SitemapFix Docker Network Not Found & Permission Denied Errors
Troubleshoot Cloudflare Origin Certificate Mismatch
Resolving Nginx Permission Denied Errors (www-data)
How to Fix Docker Volume Permission Errors on Mac
Fix Bluetooth Problems in Windows 11
How to Fix Windows Update Service Not Running in Windows 10
Troubleshooting RDP Connectivity Problems
How to Fix Firefox Secure Connection Failed with VPN
Troubleshooting npm ERR! ENOENT package.json After Clone
Fix Python Memory Errors When Processing Large Files
VSCode TypeScript Breakpoints Not Working
How to Resolve pnpm Unsupported URL Type
Troubleshoot Cloudflare Origin Certificate Mismatch
Resolving Nginx Permission Denied Errors (www-data)
How to Fix Docker Volume Permission Errors on Mac
Fix Bluetooth Problems in Windows 11
How to Fix Windows Update Service Not Running in Windows 10
Troubleshooting RDP Connectivity Problems
How to Fix Firefox Secure Connection Failed with VPN
Troubleshooting npm ERR! ENOENT package.json After Clone
Fix Python Memory Errors When Processing Large Files
VSCode TypeScript Breakpoints Not Working
How to Resolve pnpm Unsupported URL Type