Alcohol Install Problem

Hey ppl, i have a strange problem
when installing alcohol everything works fine and the virtual drive is loaded until sth about a
25001 Error, 25032 … something like that, i wondered if u knew what i have to do to fix that or why that happens…

the exact error message is this one:

Internal Error 25001. 25032 (0x61C8), 0 (0x0)

hope you can help me, thanks
chrisi