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

Microsoft has released the KB5064081 preview cumulative update for Windows 11 24H2, which includes thirty-six new features or ...

TL;DR: Intel Arrow Lake CPUs with Z890 motherboards face issues with Windows 11 24H2, causing crashes and reboots due to a conflict between integrated and discrete graphics.