Doesn't work on intel based system!

Installed properly and received this error while launching.

MacBook Air
Processor  1.7 GHz Intel Core i5
Software  Mac OS X Lion 10.7.5 


![image](https://f.cloud.github.com/assets/1966521/2118910/6488d7e8-912c-11e3-8315-1682ff9de2ca.png)