I suppose the disc is is a "Game" disc in ISO form.
Hence maybe they are trying to tell you to install Alcohol to "run"
the game or install ?
To patch : You got to click the patch > Browse > Alcohol
EXE
This is how , normally, we patch pirated programs unless we use a
Keygen.
If this doesn't work I suggest you finding another Alcohol from the
net and crack it .
BTW pirating software in Singapore is illegal
Unauthorised modification of computer material
5. (1) Subject to subsection (2), any person who does any act
which he knows will cause an unauthorised modification of the
contents of any computer shall be guilty of an offence and shall be
liable on conviction to a fine not exceeding $10,000 or to
imprisonment for a term not exceeding 3 years or to both and, in
the case of a second or subsequent conviction, to a fine not
exceeding $20,000 or to imprisonment for a term not exceeding 5
years or to both.
[21/98]
(2) If any damage is caused as a result of an offence under this
section, a person convicted of the offence shall be liable to a
fine not exceeding $50,000 or to imprisonment for a term not
exceeding 7 years or to both.
[21/98]
(3) For the purposes of this section, it is immaterial that the act
in question is not directed at
(a) any particular program or data;
(b) a program or data of any kind; or
(c) a program or data held in any particular computer.
(4) For the purposes of this section, it is immaterial whether an
unauthorised modification is, or is intended to be, permanent or
merely temporary.
Should be hor 
Gd lukz
