Lockheed Martin® Prepar3D® is a software product for Windows developed by Lockheed Martin®
It is reported that the following Windows processes are part of Lockheed Martin® Prepar3D®:
If you want to remove Lockheed Martin® Prepar3D® from your computer, just go to Start > Control Panel > Add/Remove programs and select Lockheed Martin® Prepar3D® from the list of programs.