New pc , new problems...

[n00ne]

So i got my new pc with Windows Vista Home Basic. Installed some programs including San Andreas which works fine , and the new sa-mp. Set the compatibility. But when i turn on sa-mp it shows me this menu and makes me choose the directory where san andreas is installed (the exe file). But the exe file as you can see in this pic , isn't there. 

So , i need help cause i really want to start playing A.S.A.P.