I bought a used iPod Touch 4.2.1 for my daughter months ago and has been working fine until today. When I plug it in to sync, it won't allow me to access the apps section of the device. I can add or remove all other media (music, videos, books, etc.) but not apps. I see the screen but it is kind of gray, and my mouse can't click on anything. I can't upload version 5 software so obviously it is not the most recent generation. When I plugged in my iPhone, the apps section worked fine. Also, I still have over 2 GBs of space on the iPod Touch so I don't think it could be a space issue. Can anyone recommend a fix without having to restore? Also, I am a lay user so if you have information, please keep that in mind. (And I turned it off as well as restarted my computer to no avail.) Thanks!