I need help installing Adobe Photoshop Elements 11 I keep running into exit code 7 on Macbook Air.

[Sdw25]

I have tried to restart Mac and I went to applications and dragged the application to the trash to uninstall and then tried again same error PLEASE HELP!!!

[kglad]

Errors "Exit Code: 6," "Exit Code: 7" | CS5, CS5.5