The best way to contact Bitdefender customer support is though the Bitdefender contact number, this phone number can be obtained easily after a quick online search using your preferred search engine like Google or Bing. Once you get their number, just call up the Bitdefender contact number and explain to them exactly what the problem is in detail. In the event that you do not understand what exactly is the problem, just explain to the Bitdefender customer service representative what it is that you are seeing so that they can quickly asses what sort of problem it is that you are faced with.