as this forum is not visited that often.
But since you are here...
All I can say is, Ouch! My browser protection app called WOT, (Web of Trust), gave me red for warning! icons when I Googled Xionix, and this is what WOT says;
Not many comments, but one the same as you.
How did you pay? Credit card, debit card? Contact your provider and tell them to cancel these recurring payments.
That said, you may have problems. I can't be sure because I haven't come across this myself but I am told that "Recurring Payments" off a credit card are notoriously difficult to cancel.
See what they say.
I registered in Jan 2010 for RegDefense from Xionix for 2 computers. Both computers registered have been replaced and I do not want this service any longer. I am being automatically billed and they will not answer emails. How can I get a cancellation of service?