Sorry to hear you are having problems with 3DXchange 7 Pro.
To try and resolve the problem try right clicking the 3DXchange 7 icon on your desktop and choose "Run As Administrator".
Please also try updating your graphics drivers and ensure you have the latest available. Please see the links below to check.
Please also run Windows Update to ensure your system is fully updated.
In Windows 10 go to Start > Settings > Update & Security > Windows Update and then "Check For Update".
If you still have problems after checking the above, please can you send your dxdiag.txt to Technical Support so they can check your system for any problems.
Do also try to include a screenshot showing any error messages you receive on screen.
a) Type "dxdiag.exe" in the Search box and click "dxdiag.exe run command" from the search list.
b) It will then check your system for a while, after finishing, click "save all information"
c) Save "DxDiag.txt". and send this to Support as an attachment.