help please

[jca716]

someone please help the disk protections on gta vice city have me stumped.game will not fully install.it prompts me to finish the installiation but then i get an error that even the end task manager wont x out i also got a message that a dll was missing.i used alc 120 to make the backups(both discs).i have the crack but their is no .exe to copy it to.im fairly new to this so any ideas would be greatly appreciated thanks.