Avast! Sign-in Problem

Avast! Sign-in Problem on avast! gui.Is there any other way to access my account rather than from Avast! GUI?Pls help me.I can’t connect my mail to avast!.Every time it show me error.

https://my.avast.com

Not this i want to connect my pc to avast! from Avast! gui to get the points.@Eddy

You can do it from https://my.avast.com > add new device

Thanks.