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 notesWindows Terminal Serial Port Connection Setup Guide
If you need to connect to a serial device—like a router, switch, or microcontroller—from Windows ...
Fix OneDrive Connection Refused Error 0x8004de40
You see OneDrive error 0x8004de40 with the message "Connection refused." This often happens when ...
How to Fix Windows Defender Scanning Taking Too Long
If Windows Defender (Microsoft Defender Antivirus) scans are taking unusually long—sometimes hour...
How to Fix Windows Update Not Downloading on Mac
If you're running Windows on a Mac via Boot Camp or a virtual machine, you might encounter a situ...
PowerShell Loading Slow After Update: Quick Fixes
If PowerShell started taking noticeably longer to open after a recent Windows update, you're not ...
Issue queue
SitemapWindows Terminal Port Already Allocated Error Fix
How to Fix Microsoft Teams: Reset or Reinstall
How to Fix Outlook Loading Profile Stuck
OneDrive Download Sync Not Working Fix
How to Fix High Memory Usage by cmd.exe
How to Fix Blank Screen After Remote Desktop Connection
How to Fix BitLocker Recovery Key Connection Failure
Outlook High CPU Usage: Scanpst Repair Guide
Fix PowerShell Offline Installer Dependency Failures
Troubleshooting Chrome Extensions on Windows 10
OneDrive Sync Rate Limit Error: Complete Troubleshooting Checklist
How to Resolve Windows Activation Timeout Error
How to Fix Microsoft Teams: Reset or Reinstall
How to Fix Outlook Loading Profile Stuck
OneDrive Download Sync Not Working Fix
How to Fix High Memory Usage by cmd.exe
How to Fix Blank Screen After Remote Desktop Connection
How to Fix BitLocker Recovery Key Connection Failure
Outlook High CPU Usage: Scanpst Repair Guide
Fix PowerShell Offline Installer Dependency Failures
Troubleshooting Chrome Extensions on Windows 10
OneDrive Sync Rate Limit Error: Complete Troubleshooting Checklist
How to Resolve Windows Activation Timeout Error