I use Kantu for firefox and with firefox i close others task manager process and works.
I do not know well Chrome because i prefer using Kantu for firefox.
I already use taskkill to close firefox and Kantu when it’s freezed and working.
With firefox I must close these process:
taskkill.exe /F /T /IM firefox.exe
taskkill.exe /F /T /IM crashreporter.exe
ping -n 1 localhost >nul 2>&1