Canceling subscriptions

I can not cancel any of the subscriptions that I started as a ‘trial’, because they do not show up on my account.
I want to unsubsribe my AVG Tuneup, AVG Secure VPN, AVG Anti Track and AVG Driver Updater.
Spent hours on chat to get this done.
This a scandalous way of doing business.
WHAT DO I NEED TO DO TO GET RID OF THESE SUBSCRIPTIONS THAT COST ME A FORTUNE?