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 ...
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All notesHow to Fix Microsoft Teams 404 Error by Clearing Cache
If you're seeing a 404 error in Microsoft Teams—often when opening a chat, channel, or file—it's ...
How to Reinstall the Windows Security App (Microsoft Defender)
If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...
Fix Windows Terminal Slow on Windows 11
If Windows Terminal feels sluggish on Windows 11—slow to open, laggy typing, or delayed command o...
Fix Windows Search Token Expired Error 0x80090016
If you see the error “Windows Search Token Expired” with code 0x80090016, it usually means the se...
How to Fix Windows Security 502 Bad Gateway Error
When you open Windows Security and see a “502 Bad Gateway” error, it means the app can’t connect ...
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