Checklist for Debugging 502 Bad Gateway in Command Prompt
You're working on a web app or API, and you get a 502 Bad Gateway error. The browser just says '5...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Search Not Working After Sleep Mode
You wake your PC from sleep, type in the Start menu search bar, and nothing happens—or results ar...
How to Fix SSL Certificate Errors on Chrome for Android
You open Chrome on your Android phone and see a message like "Your connection is not private" or ...
Chrome Profile Connection Timeout Troubleshooting Checklist
You're trying to use Chrome, but you get a message like 'Connection timed out' or 'Could not conn...
Python Module Not Found Despite pip list Showing It
You run pip list and see the module is installed, but when you try to import it in P...
Fix OneDrive Update Error Without Reinstalling
You try to update OneDrive but get an error message. Reinstalling might fix it, but that means lo...
Issue queue
SitemapRD Services Configuration Backup and Restore
BitLocker Recovery Key Failed After Loading Hang
Clear Remote Desktop Cache on Mac: Step-by-Step
PowerShell Permission Denied Service Error Guide
How to Fix Windows Defender 'Path Not Found' or 'Permission Denied'
Remote Desktop Token Expired After Password Change: Fixes
Troubleshoot BitLocker 504 Gateway Timeout Error
Windows Activation Authentication Failed Fix
Fix Chrome Profile Authentication Failed & Sync Not Working
Resolve Microsoft Store 404 After Update
Fix Blocked Windows Product Key
Resolve PowerShell Proxy Connection Issues
BitLocker Recovery Key Failed After Loading Hang
Clear Remote Desktop Cache on Mac: Step-by-Step
PowerShell Permission Denied Service Error Guide
How to Fix Windows Defender 'Path Not Found' or 'Permission Denied'
Remote Desktop Token Expired After Password Change: Fixes
Troubleshoot BitLocker 504 Gateway Timeout Error
Windows Activation Authentication Failed Fix
Fix Chrome Profile Authentication Failed & Sync Not Working
Resolve Microsoft Store 404 After Update
Fix Blocked Windows Product Key
Resolve PowerShell Proxy Connection Issues