This error in Pro Evolution Soccer 6 (PES 6) usually appears when the game’s DRM (SafeDisc) checks for the original disc in a physical DVD/CD drive, but none is found — often because:

Try launching the game again.

The glow of the CRT monitor was the only light in the room, casting a hum across the stacks of empty soda cans and jewel cases. It was 2:00 AM, the sacred hour of the basement dweller. Lucas stared at the screen, his heart thumping in rhythm with the spinning of his internal hard drive. This was it. After hours of navigating the murky waters of archived forums and clicking through dead links that smelled of malware, he had finally downloaded the holy grail: Pro Evolution Soccer 6.

1. If you mount a .iso or .mdf file using Daemon Tools or PowerISO, the DRM sees it as a virtual drive and rejects it.
2. Even if you have an external USB DVD drive, old DRM often fails to recognize it properly.
3. The error is independent of the crack—it appears when the pes6.exe tries to read the disc signature.

• Consider creating an ISO image of your game disk and mounting it with a virtual drive software. This can sometimes bypass physical drive issues.

This article is a verified, step-by-step guide to bypassing this error permanently. We will explain why it happens and provide three tested solutions.

3) Driver or system-level issues

• Symptom: OS doesn’t enumerate the drive or reports errors.
• Fix: Device Manager → uninstall the optical drive (and upper/lower filter registry keys if necessary), reboot to reinstall. To remove filters: