problems logging onto Parallels

Hi there.

I'm new to Parallels and not very tech minded so excuse the possibly dim question.

every time i start up parallels and select my VM, i get a balloon which displays the following message:


"You are booting from your Boot Camp partition inside a virtual machine.

You will need to reactivate Windows and Microsoft Office. Do not change the virtual machine configuration without necessity as it may require another reactivation."


Can you tell me whats happening and how i can reactive windows.

Thanks.
Anand