Windows Defender 502 Bad Gateway: Troubleshooting Checklist
If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Clear Windows Update Cache on Mac
If you're running Windows on a Mac via Boot Camp or a virtual machine (like Parallels or VMware F...
Fix GitHub Actions Cron Schedule Not Running
You set up a scheduled workflow with on: schedule in your GitHub Actions YAML, but t...
Fix BitLocker TPM and PIN Sync Issues
If your BitLocker-protected drive asks for a recovery key instead of the PIN, or if changes to th...
Windows Terminal DNS Error Troubleshooting Checklist
If you're seeing DNS errors in Windows Terminal—like Name or service not known in WS...
Fix PowerShell Profile Configuration Not Working
You've edited your PowerShell profile, saved the file, and restarted the console—but your custom ...
Topic paths
Quick titles
How to Fix Windows Update Stuck on Checking for UpdatesFix Windows Search on Mac with Big Sur Compatibility IssuesFix Command Prompt Sync Issues After Windows UpdateChrome 404 Not Found Issue: A Practical Troubleshooting ChecklistHow to Fix Windows Activation Failed to Start Permission DeniedStop OneDrive Sync Conflicts on MacHow to Fix SSH Host Key Verification FailedFix 'Path Not Found' Error in Windows Terminal for PowerShell