Dead Space — 3 Sorry This Application Cannot Run Under A Virtual Machine

At surface level, the message is a protection mechanism. Publishers and platform holders use virtual-machine detection to block piracy, tampering, and automated testing. Virtual environments can make it easier to inspect, modify, or copy a program’s inner workings; they can facilitate cheating or circumvention of digital-rights-management systems. From a corporate vantage, refusing to run in VMs is a straightforward risk-management policy: limit vectors for reverse engineering, reduce abuse, and preserve revenue streams and intended user experiences.