Did you do anything specific? I have had my Rhino with Brazil open for 12 hours, and it still runs OK. Did you do anything else beside
edit: After 11 additional hours of having the same Rhino session open (with one
Raytraced view) and regular interval
_Render command usage for Brazil renders, and viewport changes and adding
_Lines Rhino continues to be responsive.
If you are using other non-Rhino distributed plug-ins please try disabling those and see if things get better. If they do you can turn on such plug-ins one by one, trying to freeze Rhino, until you find out if it is any such plug-in. If it isn’t any of the plug-ins then it might be useful to get the Rhino
_SystemInfo output here.