Block AvastUI.exe

If I block AvastUI.exe with firewall, will I affect any antivirus function in terms of protection. Please, don’t ask why I would do that.
Thanx.
Avast Free 20.6 Win 10 Pro x64 2004

Hi,
See post:
https://forum.avast.com/index.php?topic=165027.msg1176364#msg1176364