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I just upgraded and it now just crashes

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Just let the App Store update me to the latest version, and it will no longer run. Go to start the app, it just crashes back to the home screen. What's up?

Just let the App Store update me to the latest version, and it will no longer run. Go to start the app, it just crashes back to the home screen. What's up?

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Try deleting the app, then reinstalling it.