Mountain Leopard installation error

[osasa]

I am trying to install Mountain Leopard 10.8 on a wipped iMac early 2008 HD.
This is the message I got


http://n20i.imgup.net/WP892f.jpg

I tried also OS X Yosemite 10.10.0 and the same thing happen

What seams the problem?

 

[osasa]

I need some help here

 

[antmarobel]

…Mountain Leopard???...