Even if you have a physical disc and an external CD drive, Windows will still prompt you to "Please insert the correct CD-ROM" .
Modern GPUs often struggle with the old DirectX 8/9 calls. A good repack will include a d3d8.dll or similar wrapper to ensure the game actually launches. How to Install and Run Zero Hour Today command and conquer generals zero hour no cd repack
While convenient, No-CD repacks carry significant risks: Even if you have a physical disc and