Instead, a gray box appeared.

Frustration started to creep in. He’d been dreaming about sneaking through the Siberia border all week.

No “CD not found.” No error. Just the snowy radar station and a mission timer counting down.

This error occurs because the game was designed for an era where physical CD-ROM drives were standard. Modern PCs often lack these drives, and modern Windows security permissions can block the game from recognizing where its files are installed. Below are the primary methods to resolve this issue.