For two weeks now When I click to open I get a blank white rectangle

When I click to open I get a blank white rectangle …I phoneed 08006528704  three hours later  negative result condition remains …he asked me to phone 08003689316 an hour later he asked me to agree on paying £50 when it is fixed > ? I paid 3 years subscription in advance for both internet security and  avg secure vpn  , I AM NOT AT ALL HAPPY WITH THE CRAP SERVICE and wish some one such as AVG manager see this complaint and do something about it as soon as possible …wasted my time and want money that's all thank you

Hello Sam,
We regret the inconvenience, the number you have provided isn't a legitimate AVG support. We recommend you to reach our official support as suggested here: https://support.avg.com/SupportArticleView?urlname=Contact-AVG-Support
You can reach the same contact number and ask for a refund. Let us know the name of AVG product which you are facing issues with.