please help! received email that it was going to expire...

I posted this in the wrong forum, I think, and I don't know how to move or erase the other one.

I bought parallels because I work for a company who supplies a platform to work from that can only be downloaded onto windows. i bought the version with the extras and after a few days of struggling to install it, and updating it later it worked smoothly.

Yesterday I received an email that its going to expire, but when I look in the top area, it says that the validity is 'not limited', and when I re-typed in my activation key it says its activated. it also says, 'this is an active product'...
i'm fretting because i work 5 hours tonight and 7 hours tomorrow and about 7 hours each day next week. i dont want it to all of a sudden not work, and i'm relatively stressed out about it.

Any ideas? Was the email in error? Please advise if you can.
Thanks.