Kindly be advised we cannot cancel subscriptions or issue refunds on the forum.
You may cancel your Bitdefender subscription from Bitdefender Central or by contacting Customer Support at: https://www.bitdefender.com/consumer/support/help/

Thank you for your understanding.

Possible Solution To Prevent Mozilla Crash

Options

till now i had a serious issue of mozilla firefox(3.6) crashing (which had something to do with bitdefender firewall). i uninstalled all the incompatible add-ons (flash block etc.) and now the problem seems fixed. thought i should pass on the info.