PowerShell 502 Bad Gateway: A Troubleshooting Checklist
When a PowerShell script or command returns a 502 Bad Gateway error, it usually means the web ser...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix MySQL Connection Refused Error
When you see "connection refused" while trying to connect to MySQL, it usually means the server i...
Fix Invalid Windows Activation After Upgrade
After upgrading Windows—whether from an older version or a feature update—you might see an error ...
Fix Windows Defender Connection Refused or Permission Denied Errors
If you see "connection refused" or "permission denied" when trying to start or update Windows Def...
Fix PowerShell Script Not Auto-Starting in Task Scheduler
You set up a PowerShell script to run automatically via Task Scheduler, but it doesn't start or f...
Fix Windows Search High CPU Usage in Windows 10
If your Windows 10 system fan is spinning up and Task Manager shows SearchIndexer.exe using 30-90...
Topic paths
Quick titles
Fix Microsoft Store Errors by Resetting CacheChrome High CPU Usage Permission Denied FixHow to Fix Windows Update Version Mismatch ErrorHow to Fix Windows Terminal Crash After UpdateHow to Restore Windows Update Auto-Start ServiceBrave Sync Not Working on Android Phone: Troubleshooting GuideGo Modules Proxy Connection Refused: How to FixFix OneDrive Connection Refused Error 0x8004de40