The Windows version of Cn3D crashes on startup or PNG export – how do I fix it?
Some OpenGL video drivers don’t work with some of the rendering techniques used by Cn3D. There are two related things you can try to work around this: • Disable some or all Windows graphics optimizations. Right-click on the desktop, select Properties, then the Settings tab, then hit Advanced, go to the Troubleshooting tab, and finally move the Hardware Acceleration one notch to the left. Hit Apply, Ok, Ok, to close the dialogs. Try Cn3D again; if the crash still occurs, repeat this procedure. • If all that fails, try turning off OpenGL acceleration and optimization in your video card’s graphics driver. Consult your documentation or system administrator for details. You may also want to install the latest graphics driver for your card.
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