I have the same problemI have similar problem here. My MAC crushed, and I reinstalled it use backup, Parallels asks activation, but when I entered the activation key, got this error
Your product activation key reached its activation limit and cannot be used to activate Parallels desktop, Please use a valid key or contact the Parallels team for assistance.
This activation key was on this computer before computer crushed, would you please help me for this.
Thanks,
Shirley