This specific "Fix" addressed a notorious crash. Earlier versions would desync during online play, but the U6 allowed players to wreak havoc in skirmish mode with legendary stability. The Legend of the "Science Points" The most coveted feature of the 16-option menu was Option 7: Infinite Science Points

Without the FutureX Fix, using "Infinite Money" and "Superweapons" together would 100% crash Zero Hour by the 15-minute mark. With the fix, you can play 2-hour skirmishes.