This configuration error will prevent the Ansys Electronics Desktop software from running.

To resolve this problem you will need to set a System Environment Variable in windows.

ANSYS_EM_DONOT_PRELOAD_3DDRIVER_DLL

 1

From the desktop, right-click the very bottom-left corner of the screen to get the Power User Task Menu.
From the Power User Task Menu, click System.
In the Settings window, scroll down to the Related Settings section and click the System Info link.
In the System window, click the Advanced System Settings link in the left navigation pane.
In the System Properties window, click the Advanced tab, then click the Environment Variables button near the bottom of that tab.
In the Environment Variables window click the New...button in the System variables section. 

Add  the following

Variable Name - ANSYS_EM_DONOT_PRELOAD_3DDRIVER_DLL
Variable Value - 1

Click OK, close these windows

Now the Ansys EM software will open.