I ran a free trial of Adobe Creative 5.5 do not wish to purchase can not delete the expiry messate and it is blocking all my other Abobe programmes so now I can't use any of them? I have lots of different Adobe loaded which I want to keep and not sure what to uninstall to make it go away!
Simply uninstall the CS5.5 trial, then run the licensing repair tool linked from this page.
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