Nginx Upstream Connection Refused: Diagnosis and Fixes
When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesChecklist for Fixing Windows Search Indexing
If your Windows search is returning no results, taking forever, or missing files, the indexing se...
VS Code Source Control Not Detecting Changes on Mac: Fixes
You make edits in VS Code on your Mac, but the Source Control panel shows nothing. No files appea...
Fix Windows Update Error 0x80070002 Due to Network Issues
If you see Windows Update error 0x80070002, it often means the update files are missing or corrup...
Fix Nginx 502 Bad Gateway with Docker Socket
You have an Nginx container proxying requests to another container via the Docker socket, and you...
Fix Chrome Memory Spikes When Watching Videos
You're watching a video in Chrome, and suddenly the system slows down, fans spin up, or tabs ...
Issue queue
SitemapHow to Fix Cloudflare 521 Error with Wildcard Subdomains
VS Code PowerShell Script Execution Policy Fix
Resolve Docker Compose Port Already Allocated
Chrome Extensions Grayed Out: Fixes That Work
VS Code Remote SSH IntelliSense Not Working Fix
How to Fix npm Run Build Failed Error
Cloudflare Origin Certificate Setup Checklist
Fix Windows Update Error 0x80070005: Access Denied
How to Fix Windows 10 Update Error 0x80070005
Chrome ERR_NAME_NOT_RESOLVED: A Practical Fix Guide
How to Fix Windows Remote Desktop Connection Failed Error
Windows 10 Update Error 0x80070002 Troubleshooting
VS Code PowerShell Script Execution Policy Fix
Resolve Docker Compose Port Already Allocated
Chrome Extensions Grayed Out: Fixes That Work
VS Code Remote SSH IntelliSense Not Working Fix
How to Fix npm Run Build Failed Error
Cloudflare Origin Certificate Setup Checklist
Fix Windows Update Error 0x80070005: Access Denied
How to Fix Windows 10 Update Error 0x80070005
Chrome ERR_NAME_NOT_RESOLVED: A Practical Fix Guide
How to Fix Windows Remote Desktop Connection Failed Error
Windows 10 Update Error 0x80070002 Troubleshooting