I fixed the problem with the 'OpenGL 3.3 needed' error and some of you might have the same issue which was NOT a deficient OpenGL version, but a Windows problem. This could apply to anyone who has dual graphics processors like my second computer has; an older Dell XPS L502X. I want to point out that Luminance, for whatever reason, isn't registered in Windows (10 Home) on this computer and therefore doesn't show up on the 'use other apps' list. This may be a factor.
1. For my computer, I right clicked on the desktop and then clicked on 'Nvidia Control Panel'.
2. In the left panel, I clicked 'Manage 3D Settings'.
3. Under 'preferred graphics processor' in the right panel, I changed the drop-down choice from 'integrated graphics' to 'High-performance NVIDIA processor'.
4. Returning to the left panel, I clicked 'Set PhysX Configuration'.
5, In the right panel, I changed 'Select a Physx processor' from 'autoselect' to 'GeForce GT 525M'.
6. I was prompted to save when exiting and did so.
7. I re-started the computer and BINGO! Luminance 1.2 worked fine.
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