Realview stopped working after months of working. No changeswere made. sp3 installed a few days ago. no problemo.

Today after a solidworks glitch mid-project, Solidworks has greyedout solidview, and performance use software OPENGL is checked andgreyed out.

I updated the drivers for my Quadro 4600, and it seemed to donothing.

What can cause the "use software OpenGL" to lock out likethat?SolidworksAdministration