Is that the fully extract version or the one that's still RAR'd?
edit: The Torrent should work. The unpatched game works. Running the patch now.
2nd edit: "System.OutOfMemoryException."
This seems to be a common problem when running the patch. I just hit it myself.
Installer problem on some systems, while waiting for proper installer fix, run http://www.dakkodango.com/files/graphic_installer.zip from the game root, and then add http://www.mediafire.com/?moyfzzzg1ku to your \data folder (temporary workaround).