Hi @michele336,
I am checking back to see if the Reset fixed the problem.
If not, then unsinstall Raster Design using the Windows Control Panel and then reinstall it. To reinstall, you proceed as is you are going to install AutoCAD 2017 but then check the components (Raster Design) that you want to install. This is also available in the Windows Control Panel for Programs. Select AutoCAD and perform the Reinstall.
I believe it will be much easier and faster through the Rest of settings to Default.
Please post your results.
Please hit the Accept as Solution button if my post fully solves your issue or answers your question.
John Vellek
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