Fix Docker Nginx 502 Bad Gateway with MySQL
You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesWindows Defender Real-Time Protection Troubleshooting Checklist
If Windows Defender real-time protection fails to turn on or keeps turning off, you may see warni...
Fix Windows Security App Permission Issues
You open Windows Security and see a message like "This app has been blocked for your protecti...
Fix ERR_CONNECTION_RESET Caused by Firewall Blocking Chrome
If you see ERR_CONNECTION_RESET in Chrome, it usually means something interrupte...
Checklist to Fix npm Permission Denied Errors
If you see "EACCES: permission denied" or "Error: EACCES, mkdir" when running npm...
Fix pip install: Dependency Conflict and Permission Denied
When you run pip install and see messages about dependency conflicts or permission d...
Issue queue
SitemapNginx Upstream Connection Refused: Quick Fix
Chrome ERR_CONNECTION_RESET: Network Settings Fix
How to Set npm Prefix to Avoid Permission Denied Errors
Resolve Permission Denied Error in Windows Update Service
pnpm Permission Denied on macOS: How to Fix
How to Fix 'Git Remote Origin Already Exists' Error
npm install Permission Denied on Shared Hosting Fix
Common Nginx SSL Setup Mistakes and Fixes
Nginx Upstream Connection Refused on Port 443 Fix
How to Restore Chrome Sync After Disabling Extensions
Troubleshooting Out of Memory During npm Build
How to Fix npm ERR! enoent ENOENT package.json Missing
Chrome ERR_CONNECTION_RESET: Network Settings Fix
How to Set npm Prefix to Avoid Permission Denied Errors
Resolve Permission Denied Error in Windows Update Service
pnpm Permission Denied on macOS: How to Fix
How to Fix 'Git Remote Origin Already Exists' Error
npm install Permission Denied on Shared Hosting Fix
Common Nginx SSL Setup Mistakes and Fixes
Nginx Upstream Connection Refused on Port 443 Fix
How to Restore Chrome Sync After Disabling Extensions
Troubleshooting Out of Memory During npm Build
How to Fix npm ERR! enoent ENOENT package.json Missing