1. Press Win + R and enter regedit in the pop-up box (because the search cannot be used, only manual step-by-step operations are required)
2. Go to the system registry and locate
HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Explorer \ FolderTypes \ {ef87b4cb-f2ce-4785-8658-4ca6c63e38c6} \ TopViews \ {00000000-0000-0000-0000-000000000000}
3. In {00000000-0000-0000-0000-000000000000}, select and right-click and click "delete" in the pop-up menu (as shown in the figure above)
4. 64-bit system positioning to delete {00000000-0000-0000-0000-000000000000}
HKEY_LOCAL_MACHINE \ SOFTWARE \ Wow6432Node \ Microsoft \ Windows \ CurrentVersion \ Explorer \ FolderTypes \ {ef87b4cb-f2ce-4785-8658-4ca6c63e38c6} \ TopViews \ {00000000-0000-0000-0000-000000000000}
Do not forget to restart your computer. After you restart your computer, you will find that the win10 search function can be used normally.