
Fix Windows Search Not Working (Error 404) – Practical Guide
If you see "Error 404" when using Windows Search, it usually means the search index is corrupted ...
Software troubleshooting desk

If you see "Error 404" when using Windows Search, it usually means the search index is corrupted ...

If you've lost bookmarks, passwords, or extensions after a Chrome crash or profile corruption, re...

You launch Windows Defender Security Center or try to run a scan, and you see a proxy error—somet...

You open Outlook and see the message: "Outlook service unavailable. Cannot start Microsoft Outloo...

After a reboot, you might see an error like "port already allocated" when trying to use a specifi...

You open Microsoft Edge and see a "permission denied" error when trying to access a site, a file,...