Fix Windows Defender 404 Error in Command Prompt
When you try to run Windows Defender commands from Command Prompt and get a '404 Not Found' error...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Missing Windows Security App Icon or Shortcut
You click the Start menu or search for Windows Security, but the app icon is gone. The shortcut m...
Fix Microsoft Store SSL Certificate Expired Error
You open the Microsoft Store and see an error about an SSL certificate being expired. The store m...
How to Fix Windows Update Error 0x8024402c
When you see Windows Update error 0x8024402c, it usually means the update service can't reach Mic...
How to Fix Windows Search Permission Denied Registry Error
When Windows Search fails with a 'permission denied' error in the registry, the search indexer ca...
Fix Windows Search Fails with DNS_PROBE_FINISHED_NO_INTERNET
You type a query into the Windows Search bar, and instead of results, you see “No internet” or a ...
Topic paths
Quick titles
Fix 502 Bad Gateway on Windows Activation with CMDChrome Profile Not Loading After Update FixRepair Corrupted RAR Archives EasilyTerminal Frozen in Ubuntu? Here's How to Fix ItReduce OneDrive RAM After UpdateFix Store Errors by Flushing DNSChrome Browser Troubleshooting Checklist for WindowsFix Teams Issues by Clearing Cache on Mac