And when I try to authorize iTunes, it says I'm already authorized on 5 systems although the device listing on apple.com only shows 4 devices.
??? - dave
We see that you're seeing multiple devices being authorized in iTunes, and we'd like to offer some assistance!
Here's a helpful article that goes over the steps you can take to deauthorize your computer from iTunes: Authorize or deauthorize your computer for iTunes Store purchases
We hope this helps!