Thank You for letting me know HP Photo Creations is compatable with Yosemite 10.10.5 That was very helpful.
As for the second part of your message I can not unistall HP Photo Creations as I have not installed it in the first place because I cant that is the issue'
I think the problem is with my computer I have other apps that I have been using for years with out any problems that I can not open,This all started to happen at the same time as the operating system update.
I think I will have to get intouch with Apple.
Thank You for your time and effort it has been much appreiated.
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