When the Coexistence Management Console is launched it produces the app crash error questlicense.dll
This issue has been resolved in CMN 220.127.116.11 and the latest version is available for download here:
Windows Registry Disclaimer:
Quest does not provide support for problems that arise from improper modification of the registry. The Windows registry contains information critical to your computer and applications. Make sure you back up the registry before modifying it. For more information on the Windows Registry Editor and how to back up and restore it, refer to Microsoft Article ID 256986 “Description of the Microsoft Windows registry” at Microsoft Support.