Some users have experienced issues where their Calcomp Digitizer works just fine in new versions of AutoCAD (like AutoCAD 2009, but doesn’t work on older versions of AutoCAD (like AutoCAD 2000) even though both versions are installed on the same computer.
We have reports that simply disabling the Windows User Access Control (UAC) seems to fix this issue!
Before you disable UAC – read all about UAC here
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