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 Defender Sync Error Across Devices
You see a sync error in Windows Security that says something like “Something went wrong. Try to s...
Fix Windows Activation SSL Certificate Error via Registry
When trying to activate Windows, you might see an error like "0x80072F8F" or "SSL certificate err...
Fix Microsoft Store Stuck on Loading Screen
If the Microsoft Store hangs on a blank or spinning loading screen, it's usually a local data or ...
Fix Remote Desktop Connection Version Mismatch Error Code
When you try to connect to a remote PC using Remote Desktop Connection (RDP) and get a "version m...
Fix Windows Update Login Loop After Configuration Settings
You restart your computer after a Windows update, and instead of reaching the desktop, you see th...
Issue queue
SitemapFix Windows Search Service Not Running
Repair Microsoft Defender Settings
Command Prompt Not Opening in Windows 10 Fix
How to Resolve Task Scheduler Error 0x80070020 Port Conflict
Chrome Browser Path Not Found on Mac: Fixes
Troubleshoot PowerShell Module Access Denied Error
Fixing Microsoft Teams Rate Limit Error When Sending Messages
Fix Netsh DNS Reset That Does Nothing
Chrome Profile Settings Won't Save: Troubleshooting Guide
How to Fix Update Error 0x800f0922 on Windows 10/11
Windows Security Backup Sync Not Working? Fixes to Try
How to Restore Remote Desktop Client After Update
Repair Microsoft Defender Settings
Command Prompt Not Opening in Windows 10 Fix
How to Resolve Task Scheduler Error 0x80070020 Port Conflict
Chrome Browser Path Not Found on Mac: Fixes
Troubleshoot PowerShell Module Access Denied Error
Fixing Microsoft Teams Rate Limit Error When Sending Messages
Fix Netsh DNS Reset That Does Nothing
Chrome Profile Settings Won't Save: Troubleshooting Guide
How to Fix Update Error 0x800f0922 on Windows 10/11
Windows Security Backup Sync Not Working? Fixes to Try
How to Restore Remote Desktop Client After Update