How to clear search results in Windows 10?

Question

Windows

Windows Start Search has invalid old results.

How to clear these search results?
Rebuilding the search index does not help.

Answer 1

Windows Installer CleanUp Utility .

Answer 2

Maybe the data is loaded from prefetch, Find files and delete
rebuild the index, you don’t need
to delete the index folder and let it index on a new one
. Well, clean up the shortcuts in the start folder