First, verify the MBUTTONPAN system variable is set to 0.
If the MBUTTONPAN system variable is set to 0 and the problem persists, try restoring a valid acad.mns menu file from the installation CD for AutoCAD.
DanL
www.dczaland.com
In AutoCAD 2000i and up you can create true color output via the plot style tables. Using the Plot Style Table Editor you can assign a custom true color property. The assigned colors will be displayed in the Layout tabs as long as the Display Plot Styles check box is selected in the Page Setup...