Cant access Service

I am in my second month of using Showmax. In the first month I realised that my 2MBPS line wasn't adequate. I upgraded this to 4MBPS. This worked very well. However, upon renewal in the second month, my TV, which I had used adequately in the first month, is now requesting for \upgrade to watch""; doesn't connect any more. I have requested a refund;but there has been no response from \""Nomax\"" (Cant call them Showmax now"