When I try to connect the Thrive to my XP machine via USB, the "Found New Hardware Wizard" says that it's trying to install software for MTP (Media Transfer Protocol), but it can't find what it's looking for, so the install fails. (Then the AT100 software install also fails, which I assume is a result of the failure of the MTP software install.) From what I've read, I should have an MTP driver already installed if I have Windows Media Player on my PC, which I do. (I even downloaded the most recent version, which didn't help.) Every avenue I follow via Google leads me to a dead end. If I can't connect the Thrive to my PC, I've basically wasted all of my money, so any ideas would be GREATLY appreciated. Thanks!!!