I can not install Avast . There is a dialog: INCOMPATIBLE SOFTWARE DETECTED. Avira security software is already installed..... I know I have to remove" leftover Avira files". How can I do that?

Avast Mac Security
1

I can not install Avast . There is a dialog: INCOMPATIBLE SOFTWARE DETECTED. Avira security software is already installed… I know I have to remove" leftover Avira files". How can I do that?

2

First, I’m an Avast user and not an Avast Team member.

I just googled what you asked and got this

to remove leftover Avira files

Now you might have to modify that search to include the fact you are using a MAC.