No me aparece la opción de cancelar subcripcion

Quiero cancelar y es imposible ya que no aparece la opción. Si le doy a ayuda servicio técnico la página que sale da error

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

I assume that you are talking about a free trial subscription ?
If so, I have been informed that this deficiency has been corrected and trial versions should now be included in that subscriptions list.