Originally Posted by Youngbinks
You can deauthorize the computers by going to the "Store" tab and selecting Deauthorize computer. I believe once you go into that tab it gives you the option to deauthorize all computers and then you can reauthorize the one you wish.
Originally Posted by MileHighRob
Not until you've authorized a total of 5 computers do you get the option to deauthorize all.
Hmm...
I just did what youngbinks suggested and it seemed to do the trick. Since I had authorized two PCs, I just deauthorized my computer twice, then went back in and reauthorized again. Upon doing that it said I authorized one of my available 5.