Trouble installing rc1 5600

> First Sorry for my english. I download the vista rc1 5600 from the web and
> i
> burn the iso file to a dvd. I tried to install it but i couldn't.
>
> During the first start of windowsafter install i have a problem. There are
> a
> pop-up of windeplay.exe - Bad image that says...
>
> C:\windows\winsxs\..........\comctl32.dll is either not designed to run on
> windows or it contain an error. Try installing again...
>
> Begin three or four pop-up appair another one of "install windows" that
> says...
>
> windows could not load required file winsetup.dll, the file may be
> corrupt.
> Restart the instalation. Error code 0xC1.
>
> Someone can help me??
>
> Thanks for all