My image come from Virtual PC 2007. Impossible to use it. I have this message :
Failed to open virtual machine: Failed to create UFA Session for the source provided. Make sure that UFA service is running.
Using VMWare Player 3.1.3 build-324285 on Windows Seven 64 bit
first of all check if the ufad-serive is running / can be started
in a admin/cmd try
net start ufad-ws60