Fix Windows Search 404 Not Found Error via Registry
If Windows Search returns a '404 Not Found' error when you try to open the search pane or run a q...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listOutlook 504 Gateway Timeout: Proxy and Firewall Fixes
If you see a "504 Gateway Timeout" error in Outlook, it usually means a network device (proxy or ...
Remote Desktop Auto Start Troubleshooting Checklist
If your remote desktop client does not start automatically when you boot your computer or connect...
Fix SSL Certificate Errors in Windows Search
When Windows Search throws an SSL certificate error—often as 'The certificate is not valid' or 'A...
Fix Windows Defender Error 0x80070643 on macOS
If you see error 0x80070643 when installing or updating Windows Defender on a Mac (via Parallels,...
How to Set Windows Update to Manual Install Only
If you want to control when Windows updates are installed—for example, to avoid unexpected restar...
Topic paths
Quick titles
Linux Chrome Service Unavailable TroubleshootingHow to Install Outlook Offline with Admin RightsWindows Search Setup Checklist for IT AdminsHow to Resolve OneDrive Shared Folder Permission DeniedRemote Desktop Not Working? Fix Dependency ErrorsWinRAR CRC Failed Fix GuideEnable Script Execution in PowerShell on Windows 10OneDrive Sync Failed After Windows 11 Update – How to Fix