Avast messages in wrong language?

Avast Free Antivirus / Premium Security
1

Honourable,…

while I ask avast in English, I become all message and even all support in Portuguese.
the setting in Avast is mention English,…
Its not because I am in Portugal that I am Portuguese and understanding all Portuguese.
also all promotions and update message come in Portuguese.

how to solve the problem?

2

Do you mean the interface is on Portuguese? Or the messages and marketing popups?
Avast depends on local Windows language in some of them and others (like offers) can only be displayed regarding where (country) you’re connecting your computer.