NVIDIA OpenGL Driver Error Code 6 can be caused due to insufficient GPU memory, incompatible hardware or corrupted NVIDIA drivers. Do this to fix the issue.

1] Update NVIDIA display driver This The NVIDIA OpenGL driver detected a problem with the display driver can occur due to a corrupted display driver is installed on your Windows 11/10 computer.

But here's the best bit: Using these new OpenGL optimizations, the OpenGL version of L4D2 on Windows is now faster than the DirectX version.

In a scary twist that reinforces Valve's distaste of Windows 8, it turns out that the Source engine -- the 3D engine that powers Half Life 2, Left 4 Dead, and Dota 2 -- runs faster on Ubuntu 12.04 ...