Here's some notes we send out to our customers with similar problems. Let me know if they help.
To start I would uninstall V-Ray completely (keep a copy of your materials folder).
Installing Rhino v5 from the DVD puts…"
Am I missing something here? Whether a 3D Connexion device is installed or not in v5 SR0 the Always pan parallel views option seems to do nothing whether checked or not.
BTW we are in discussions with 3D Connexion (developers and…"