Error at the end
 

I got error at the of installation
Unable to startup the disk and use startup utilities
and after restart freeze at gray screen with logo apple

hey there:
if u want some of us to help u.
u need to explain (in detail) your issue, your hardware specs, give us every relevant info and do some research too.

AMD 4600 X2 - ASUS A8N-SLI
2 GB Memory
I have iPC 10.5.6 ppf1+ppf2+ppf3

already (semi) know what hardware u get, now what u did? to get that error.
did u have already installed iPC or are u trying to install.
what u mean with unable to startup the disk? boot the disk maybe?
if it is that last issue, try with "-v" boot flag at boot so u can tell us why or where it hangs?