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All the non apple apps crash now, not sure why. Any suggestions on how to fix this?

Do they crash immediately after launching them?

If so, I found the only solution to be to completely re-install iOS 5.0 beta 6. Hook your iPad up, and restore it from the firmware.

(And file the bug report!)
 
yes, if you had searched through the dev forums you would find that downloading or updating an app from the app store would solve this problem.
 
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