Fix Nginx Upstream Connection Refused Behind Cloudflare
If you see upstream connection refused in your Nginx error logs while using Cloudfla...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Nginx Redirect Loop After SSL Certificate Install
You installed an SSL certificate, and now your site redirects in a loop. The browser shows 'E...
Setup Cloudflare Origin Certificate for Nginx
If you use Cloudflare as a reverse proxy, enabling HTTPS between Cloudflare and your Nginx server...
Chrome Extensions Not Loading on Mac? Here's How to Fix It
If you're using Chrome on a Mac and your extensions suddenly stop loading—grayed out, missing...
Fix VS Code Terminal Not Opening PowerShell
If you click the terminal panel in VS Code and nothing happens, or it opens a blank shell instead...
Fix VS Code IntelliSense Not Working in Remote SSH
You connect to a remote server via VS Code Remote SSH, start editing code, and notice IntelliSens...
Issue queue
SitemapFix Windows Defender Real-Time Protection Not Running
Fix Windows Update Service Not Starting Automatically
Troubleshooting nginx -t Errors After Adding SSL
Cloudflare 521 Error: Origin Server Unreachable Fix
How to Resolve Nginx Redirect Loop HTTP to HTTPS
Why Cloudflare DNS Changes Aren't Propagating
Resolve Chrome Status Access Violation After Update
How to Resolve Git Unrelated Histories Merge Conflict
pnpm audit fix fails: troubleshooting guide
Docker Pull Access Denied: Quick Fix Checklist
VS Code PowerShell Scripts Blocked – Quick Fix
How to Run npm install Without sudo Permission Denied
Fix Windows Update Service Not Starting Automatically
Troubleshooting nginx -t Errors After Adding SSL
Cloudflare 521 Error: Origin Server Unreachable Fix
How to Resolve Nginx Redirect Loop HTTP to HTTPS
Why Cloudflare DNS Changes Aren't Propagating
Resolve Chrome Status Access Violation After Update
How to Resolve Git Unrelated Histories Merge Conflict
pnpm audit fix fails: troubleshooting guide
Docker Pull Access Denied: Quick Fix Checklist
VS Code PowerShell Scripts Blocked – Quick Fix
How to Run npm install Without sudo Permission Denied