How do I get apps to work on my iPod Touch?

The apps on my iPod touch stopped working recently. They where fine until yesterday, but now when I try to start one, it just closes. This has happened before, and I've just deleted them and reinstalled them, but now I have a few apps on there, and I cannot afford to lose the things I've saved. Is there another way to get them to work? thanks xx
Answer:

I'm not sure, but it is possible that when an update comes out for the app, the older version becomes obsolete. This happened to me once, but instead of closing it sent me a message. Try checking the "Updates" tab on your App Store.

Kirstie M at Yahoo! Answers Visit the source

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Other answers

You probably have to update all your apps. Or if this doesn't work you may have to restore your ipod and re-download all the apps.

I'm Old Greg

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