I am trying to get this to work. I have “raped” Windows 7 Ultimate 64-bit Edition of its homegroup components and registries. I reviewed most of the registies to determine what files are used and wher they are. I have attached everything i came up with and the file structure.
http://www.trickysuniverse.com/downloads/Homegroup_4R2.rar
Hopfully this may help
Tricky