During the event that the VIP Access Desktop console will not display the user Interface check third party startup items and services interoperability with the below steps.
Verify third party products using msconfig startups:
Verify third party products using msconfig services:
LFBSkypePlugin.exe startup item is known to prevent the VIP Access Desktop UI from loading successfully. This can be tested by going through the above steps.
C:\Program Files (x86)Logitech\LFBSkypePlugIn\LFBSkypePlugin.exe
LFBSkypePlugIn is a free program that ensures the buttons to accept and decline a call function with Skype. The plug-in is designed to support Skype 5.7 or above. The program also needs Skype to allow the access so you have to review the "Manage API Access control"