Win10 search function not working

the windows's firewall is a useless function for me ,so I stop and disable it in services management .

but it casue a lot of trouble .

first ,I can't install a fonts download from other place.it soved by temporary start the firewall service.

and, the Win+s shortcut not working ,even I click the search btn at taskbar ,it get stuck and respone nothing.

I have google this trouble ,there are many information but no one can solve this problem .

I have spend many times want to fix it ,finally i find the system log have many firewall error,

then I start the firewall service ,the problem goes away ,what the fuck!.......

what a amazing relationship between firewall and Search function and install fonts!