Illustrator Beta is damaged and can't be opened

Please help. Don’t know what to do or what I have done wrong to get this message.

Please help. Don’t know what to do or what I have done wrong to get this message.
Hi Dave, thank you for your response. I since resolved the issue of the damaged Beta but some how I still don’t have the Mockup (Beta) tool (it’s just Mockup, no Beta). Does it have anything to do with my subscription?
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