Windows 11 search functionality is an easy to way to access hard-to-find settings, folders, or programs and it malfunctioning is a major drag.

SearchFilterHost.exe file is the Windows Search Filter Host. If SearchFilterHost.exe is causing high CPU usage, see this post.

The default Windows 11 search experience is a mixed bag, but surprising, Microsoft has solved the problem - you just have to know where to look.

On Windows 11 (and 10), if the Windows Security app isn't working, you can reset it in multiple ways to resolve the most common issues, and in this guide, I'll explain how.