Installing Sam Broadcaster 2

Right, downloaded Sam2 but every time I try and install it I get this:

http://img641.imageshack.us/img641/3357/lol2aj.png

What is going on?

Run the installer as Admin

Have done, doesn't work.

I'm pretty sure system32 is your OS, try saving it in a different place.

Yeh done it still doesn't work. I'll just stick to Sam 4 :) thanks!