I get this error when I start up 2011 plant 3D
any comments?
Please see my attachment.
I know this won't be of much help, but I will occasionally receive the same message when starting up P3D 2011. I have simply closed the error message and continued on without any ill effects. I would send that screen shot to your re-seller also.
More issues than that...I get a lot of lockups, and have to do a Ctrl-Alt-Del to shut down ACAD3D.
The only way I have found to get things working is to just go to the folder where the drawing is and right click it then open it with Autocad Drawing launcher. that starts acad3d and I can do stuff again.