Process: SearchFilterHost.exe (Microsoft Windows Search Filter Host)
from 
Stardock Forums
Stardock Forums
SearchFilterHost.exe - General Information
Name:
SearchFilterHost.exe (Microsoft Windows Search Filter Host)
Publisher
Microsoft Corporation
Product:
Microsoft® Windows® Operating System
Default location:
%windir%\system32\SearchFilterHost.exe
SearchFilterHost.exe - Description and Recommendation
SearchFilterHost.exe is the locked-down process that hosts IFilters for extracting metadata and indexing file contents.
SearchFilterHost.exe - Uninstall Techniques