HT1338 As a teacher, I have purchased Gradekeeper and my brand new iMac is refusing to allow it to be opened.  Help!

I am a teacher and have purchased Gradekeeper.  My brand new (3 months old) iMac Leopard (or Snow Leopard - I am not certain) does not allow me to open my Gradekeeper Installer.  Hence, I am unable to enter into my previous gradings.

renecar wrote:
My brand new (3 months old) iMac.
It has OS X Mountain Lion 10.8
I am a teacher and have purchased Gradekeeper
Gradekeeper 6.7 is here, OS X 10.4 or later including OS X 10.8
http://www.gradekeeper.com/download.htm
To run the installer and the program on Mac OS X 10.8 Mountain Lion, you will need to bypass Gatekeeper. Control-click or right-click on the installer or program icon and choose open from the menu that appears. A dialog will appear asking if you're sure you want to open it. Click Open. You will only need to do this the first time you run the program.
That's likely the problem, Gatekeeper has to be bypassed.
If you got the version off the AppStore, it's likely a older version as AppStore software is about 4-8 weeks behind as Apple reviews each and every one, every time.
Also it might be the developer no longer wishes to be part of AppStore ecosystem, the 30% Apple cut might be too much.

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