Fix Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix npm install Permission Denied on Windows 10
You run npm install on Windows 10 and see errors like Error: EPERM: operation ...
How to Reset Windows Search Index (Step by Step)
If Windows Search stops finding your files, returns old results, or uses high CPU, the search ind...
Fix Node Sass Build Failure on Windows 10
If you see errors like Module build failed: Error: Node Sass does not yet support your curr...
Fix Docker Desktop Engine Stopping Automatically
If Docker Desktop's engine keeps stopping on its own, you'll see a red status bar or a no...
Fix Windows 11 Setup Stuck at 99%
You're installing Windows 11 and the progress bar hangs at 99% for a long time. This is a kno...
Issue queue
SitemapResolve Remote Desktop Certificate Trust Issues
VSCode Terminal Blank or Not Responding on Ubuntu
Fix Windows Update Error 0x80070005 Using Command Prompt
Windows Update 0x80070005: Cannot Install Updates Fix
How to Get VS Code Terminal Working Again on macOS
Nginx Too Many Redirects: Troubleshooting Guide
Fix 'npm install' Permission Denied When Using Yarn
Fix Docker Pull Access Denied: Authentication Required
Node.js Heap Out of Memory: Fix for Large JSON Files
Chrome Memory Optimization Settings Guide
Fix Docker Compose Port Already Allocated Error
Fix Python Permission Errors in VS Code Terminal
VSCode Terminal Blank or Not Responding on Ubuntu
Fix Windows Update Error 0x80070005 Using Command Prompt
Windows Update 0x80070005: Cannot Install Updates Fix
How to Get VS Code Terminal Working Again on macOS
Nginx Too Many Redirects: Troubleshooting Guide
Fix 'npm install' Permission Denied When Using Yarn
Fix Docker Pull Access Denied: Authentication Required
Node.js Heap Out of Memory: Fix for Large JSON Files
Chrome Memory Optimization Settings Guide
Fix Docker Compose Port Already Allocated Error
Fix Python Permission Errors in VS Code Terminal