Nginx 502 Bad Gateway: Troubleshooting Checklist
If you're seeing a 502 Bad Gateway from nginx, it usually means nginx can't reach the upstream se...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Rate Limit Exceeded in Command Prompt
If you're seeing a 'rate limit exceeded' error in Command Prompt, it usually means you've sent to...
Fixing Chrome Profile Update Error and Sync Not Working
You open Chrome and see a profile update error, or sync just stops working. This often happens af...
How to Fix PuTTY SSH Connection Refused Error
You open PuTTY, enter your server's IP and port, click Open, and get "Connection refused"...
MongoDB Authentication Failed: Setup Guide and Fixes
If you're seeing 'Authentication failed' when trying to connect to MongoDB, you're not alone. Thi...
Fix 'ffmpeg command not found' in Python Script
You run a Python script that calls ffmpeg, and you see ffmpeg command not found. Thi...
Issue queue
SitemapStop 'File in Use' Error When Searching in Explorer
Chrome ERR_CONNECTION_RESET Error: Practical Fixes
Fix OneDrive File Sync Permission Issues
Windows Activation DNS Problem: Command Prompt Fix
How to Fix Chrome Unable to Open Profile Path
Teams 404 Error Troubleshooting Guide
Chrome Troubleshooting: Configuration Reset Guide
Delete a Locked File Using Command Prompt
How to Fix Outlook Service Unavailable After Disabling Firewall
Fix Windows Terminal Configuration File Error
How to Fix 'Microsoft Teams' Command Not Found
Fix FileZilla FTP Connection Timeout
Chrome ERR_CONNECTION_RESET Error: Practical Fixes
Fix OneDrive File Sync Permission Issues
Windows Activation DNS Problem: Command Prompt Fix
How to Fix Chrome Unable to Open Profile Path
Teams 404 Error Troubleshooting Guide
Chrome Troubleshooting: Configuration Reset Guide
Delete a Locked File Using Command Prompt
How to Fix Outlook Service Unavailable After Disabling Firewall
Fix Windows Terminal Configuration File Error
How to Fix 'Microsoft Teams' Command Not Found
Fix FileZilla FTP Connection Timeout