I installed 6.1.4, and now 6.1.5 but have had the same problem each time - I am unable to connect to the despatcher from the VV console.
I have tried installing the services as system services, logging on as my account, a new user account; have tried all combinations: configuring the service after install, during install, etc., but it point blank refuses to allow me to authenticate.
Windows 7 x64
UAC (etc) Off