Error installing GP 2015

I am tring to install GP 2015 on a new Win 2k16 Citrix server. I am getting the following error and cant get this installed. Anyone know a work around?

System.InvalidOperationException: Operation is not valid due to the current state of the objecdt.
at
Microsoft.Deynamics.GP.Deployment.UX.EntryPoint.GetDialogSequene
TypeFromImageType(DeploymentImage deploymentImage)
at Microsoft.Dynamics.GP.Deployment.UX.EntryPoint.Run()

image