Avast detects everything that connects to the internet as a malware

Hello. Can anyone help me, yesterday it had nothing. it worked perfectly and today when I try to install a game that connects to the internet, it detects it as a malware. (I did use that game before, so it’s no virus.) I tired to download a program too and still detects it as a malware.

-Andrew

What malware name is given … you may attach a screenshot of avast warnings