Today, you may not need a traditional No-CD patch at all:
Netbooks and early gaming laptops often had a single optical drive. Removing the game disc to watch a DVD or install other software meant swapping discs constantly. conflict desert storm 2 no cd patch
Legally, it depends on your jurisdiction. In the US, the prohibits circumventing DRM, even for personal use. However, in practice: Today, you may not need a traditional No-CD