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 notesFix Windows Terminal Crashes When Opening Multiple Tabs
If Windows Terminal closes unexpectedly or freezes when you try to open a second or third tab, yo...
VSCode Terminal Not Showing Up: Troubleshooting Steps
You open the terminal in Visual Studio Code (Ctrl+` or View > Terminal), but nothing appears. The...
Fix Windows Update Proxy Error on Windows 10
If you see a proxy error when running Windows Update on Windows 10, it usually means the system c...
Chrome Browser Setup Guide for Windows 10
If you're setting up Chrome on a new Windows 10 PC or reinstalling it, the process is usually str...
Fix Windows Defender Virus Definition Update Errors
When Windows Defender fails to update virus definitions, you might see error codes like 0x8007000...
Issue queue
SitemapWindows Defender Disabled After Update Fix
Microsoft Teams 0x80070005 Access Denied Fix
Fixing Outlook High CPU Usage with Repair Tools
Certbot Permission Denied with Nginx Plugin: Common Causes
How to Fix Outlook Stuck Loading Profile
Fix Windows Activation Error After Hardware Change
Chrome Profile Startup Checklist: Fix Common Boot Issues
PowerShell Restricted Error: Step-by-Step Fix
Resolve Port Already in Use via CMD
Resolve RDP Rate Limit via Registry and Policy
Docker Container Permission Denied Exit Code 1 Fix
Install Windows Search Offline Installer Without Internet
Microsoft Teams 0x80070005 Access Denied Fix
Fixing Outlook High CPU Usage with Repair Tools
Certbot Permission Denied with Nginx Plugin: Common Causes
How to Fix Outlook Stuck Loading Profile
Fix Windows Activation Error After Hardware Change
Chrome Profile Startup Checklist: Fix Common Boot Issues
PowerShell Restricted Error: Step-by-Step Fix
Resolve Port Already in Use via CMD
Resolve RDP Rate Limit via Registry and Policy
Docker Container Permission Denied Exit Code 1 Fix
Install Windows Search Offline Installer Without Internet