What is Predator PDM Run-time error '339'?

What is Predator PDM Run-time error '339'?

Problem

When trying to use a button in Predator PDM, a Run-time error '339': Component 'THREED.OCX' or one of its dependencies not correctly registered; a file is missing or invalid appears.

Solution

Use regsvr32 to fix the issue. 
  1. Open an elevated Command Prompt session (type "cmd" in the start menu, press and hold shift + right-click and click Run as administrator)
  2. Type in the following:
    1. regsvr32 "C:\Program Files (x86)\Common Files\Predator Software\Sheridan3DControls\THREED32.OCX"

  3. Press Enter when done
  4. Upon success, you will see a success message