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