Apple OS X 10.8 Mountain Lion is out now and with it comes the new "Gatekeeper" security feature, as evident from the name what this new security feature does is to prevent installation of unauthorized applications on user computer safeguarding them against malicious software.

The OS X Gatekeeper looks for verified “signature” by Apple in every application and block others, although essential this new security feature has broken installation of many independent software installation on Apple OS X Mountain lion and here is how to bypass this restriction both temporarily and permanently.