Hi, I bougt a Parallels Desktop 13 product key. I started to use it with my mac book air. Later on I changed my mac book air and now I am using mac book pro. Parallels Desktop 13 uninstalled from mac book air. When I instal it new mac book pro, I instert activation key but it says this key associated with another account. But, i would not associated the key any account. Now the key is not accepted by the system. Pls. URGENT help M.Ali