Resolving error when opening a Process Group: “An unhandled exception of type System.Runtime.InteropServices.COMException”

Issue

This error occurs when trying to open a process group:

“An unhandled exception of type System.Runtime.InteropServices.COMException has occurred.”

This issue applies to XMPro v6.0 or below running under Windows Server 2008 R2.

Resolution

Register the msscript.ocx

1. Before running Regsvr32 msscript.ocx, make sure the msscript.ocx file is in C:\Windows\System32 folder.
2. Click the Start button, then in the Start Search box, type CMD but to NOT press Enter.
3. In the Programs section of the displayed list, right-click the command prompt > Run as Administrator and click Continue.
4. In the open window, type the following command and press Enter:Regsvr32 msscript.ocx.
5. Verify that the registration is successful.

An alternative way to register the msscript.ocx is by navigating through your computer’s local directory and follow the steps as shown in the images:

You will then see a confirmation pop-up window saying that the OCX file was successfully registered.