Nginx 502 Bad Gateway: A Practical Troubleshooting Guide
Seeing a 502 Bad Gateway from Nginx usually means the upstream server (like PHP-FPM, uWSGI, or a ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesUFW Firewall Rules Not Applying to Docker Containers: Fixes
You've set up UFW rules to restrict traffic, but Docker containers still connect freely. This is ...
How to Fix a Stuck Windows Security Virus Scan
You start a Windows Security scan, and it sits at the same percentage for minutes—or even hours. ...
How to Fix Microsoft Store Error 404 (Not Found)
If you see a 404 error when trying to open an app or page in the Microsoft Store, it usually mean...
Outlook Configuration Checklist for a New Windows PC
Setting up Outlook on a new Windows PC can be straightforward if you follow a consistent checklis...
How to Fix Windows Search Keeps Crashing
If Windows Search keeps crashing on your PC, you may see error messages, the search box becomes u...
Issue queue
SitemapTroubleshoot PowerShell Invalid Configuration Policy Error
How to Fix Connection Refused in Chrome
Microsoft Teams Mic Not Working on Mac – Troubleshooting Guide
Fix Chrome Profile Service Unavailable Error
Chrome SSL Certificate Error: Step-by-Step Fix Guide
How to Unlock a File Locked by Task Scheduler
VS Code Remote SSH Connection Timeout Checklist
Chrome Permission Denied Error: Causes and Fixes
How to Fix Chrome Profile Missing Permissions Error
How to Resolve OneDrive Version Conflicts Between Devices
Teams Camera Not Detected? Step-by-Step Troubleshooting
Fix Windows Search 502 Bad Gateway Error
How to Fix Connection Refused in Chrome
Microsoft Teams Mic Not Working on Mac – Troubleshooting Guide
Fix Chrome Profile Service Unavailable Error
Chrome SSL Certificate Error: Step-by-Step Fix Guide
How to Unlock a File Locked by Task Scheduler
VS Code Remote SSH Connection Timeout Checklist
Chrome Permission Denied Error: Causes and Fixes
How to Fix Chrome Profile Missing Permissions Error
How to Resolve OneDrive Version Conflicts Between Devices
Teams Camera Not Detected? Step-by-Step Troubleshooting
Fix Windows Search 502 Bad Gateway Error