Got a new Computer and iTunes Can't Access Your Account?

Do you get "iTunes is unable to authorize your account information." or somesuch nonsense like error -1009? Can't make a purchase, deauthorize devices, etc?

In iTunes, visit the store, and take a look at your account information.

I had to put in my credit card security code and authorize my new computer, before I could deauthorize my old ones, make purchases, etc. That's it, it just wanted the security code.

It might help if iTunes told me so, vs. making me figure it out. That's so PC.

Apple, you're supposed to make it easy!