reinstall parallels 10, not possible

[Joke D]

This is the message I get when I add the activation key
Dear Joke d,
You or somebody else had tried to register key for Parallels Desktop 10 for Mac. This key is already registered.
Registration details:

Product: Parallels Desktop 10 for Mac
What can I do to reinstall Parallels Desktop on my repeated Mac? Please help me.....

 

[Abdul@Parallels]

Hi Joke D,

I have sent you a private message, please check it and reply to the message.