Ok well now she is having problems getting her facebook app to work...it closes the app randomly right after she signs on...

I upgraded my 3GS and it is working perfectly. But when I upgraded my moms she didn't get any if the new features (lock background and phone background, double click for running apps, etc) I'm not sure why hers isn't working. iTunes says she is running 4.0 when you plug her into the computer but I ...

Well it was doing it for a couple, I deleted them and redownloaded them and it seems to have fixed the problem...

I just upgraded my 3GS to 4.0, I love it for the most part. But sometimes when I'm using my apps they will close randomly now. Is anyone else having this problem? Any suggestions?