Symptoms
When enabling "Use 3D Acceleration" in Tools Options, this error message may be displayed:
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Seep3D: Internal Error
An unexpected internal error has occurred. You should save your project with a new name before continuing.
Would you like to save it now?
unknown exception DefResView.cpp line 715
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Clicking "Yes" allows you to save your file but returns you to the same dialog box afterwards. Clicking "No" hangs Seep3D requiring you to end the GeoStdio.exe process from within Windows Task Manager.
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Resolution
Use Regedit to set HKCU\Software\GEO-SLOPE\GeoStudio\b1.92\Default\WorkState_v1_1\ViewPref\3DView\UseOpenGLAcceleration equal to 1
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Keywords
kb625 kbproblem winxp win2000 win2k winnt4 winnt seep3d seep3d1.16
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