If you download a "clean" ISO of the game, you cannot use these mods. The mod hooks rely on the .
Result: You mount the ISO. You click "Play." Nothing happens. Or the screen goes black. Or you get a "Please insert original DVD" error even though the virtual drive is right there.
This is a classic Illusion nightmare. The vanilla game will crash instantly if your Windows system locale is not set to . If you live in the US or Europe and have your date/time format set to English, the game throws a "Runtime Error" or fails to load text strings, displaying "??????" instead of dialogue.
The original save system had a 50-hour limit before data corruption. Community patchers found that the issue was a signed integer overflow in the game's internal clock. The "Platinum Patched" release includes a hex-edited executable that extends this limit indefinitely.