I can not connect to my.avast.com via wifi connection.

Hello. I installed avast mobile & seculity, but I can not connect to my.avast.com via wifi connection. Also, the connection with the wireless lan is delayed. Please tell me how to solve it.

Post here: https://forum.avast.com/index.php?board=66.0

or here: https://forum.avast.com/index.php?board=37.0