When a program that is running in the Microsoft Windows operating system ends suddenly, an error report is compiled by the operating system and then a specific error message is displayed on the screen to help the user troubleshoot the problem.
The Runtime error R6025 is an error that occurs with the Visual C++ framework. The error is shown when your application calls a “pure virtual function” in a context that is not valid for the function.
The first place to start is to make sure that you have an adequate graphics card that has an up-to-date graphics driver. Here's an article that will walk you through that process.
How do I update my graphics card driver?
For most situations, this means that your file size is too large for you computer to process. You may want to consider decimating your polygon model or sampling your point cloud.
Here is a link that will show you how to decimate your model:
How To Decimate a Polygon Object
And a link that will show you how to sample your point cloud:
Overview of the Point Sampling Commands
If you are still experiencing a problem that resembles the Runtime Error, you may need to uninstall and reinstall Geomagic. The Runtime Error R6025 can also indicate that certain part of the code for a particular function is missing. It is possible that a particular file for the function you are trying to run has gone missing or become corrupted. Please follow the link below for instructions on how to properly uninstall Geomagic Applications.