App Store Crashes For App Updates

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hello all. well here's the problem; i open up the app store, go over to the updates tab, and then select an app. the store sudenlly crashes! i tried to troubleshoot the problem by going into safe mode and i can now view the app updates. what could be causing this issue?

iPod Touch 3g (MC) with custome firmware 4.1 (greenpois0n jailbroken)

[StealthBravo]

/moved

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wrong section?

[StealthBravo]

yes, no worries.

[corrupt_pixel]

my bad :/