msiexec.exe /q/x {BD12EB47-DBDF-11D3-BEEA-00A0CC272509}
This is the command to uninstall the client version of SAV 7 silently, but I am not sure it will be of help now since it seems you have already uninstalled/deleted parts of the pre-existing SAV 7. Also do you have the ability to reinstall SAV 7 again if need be? I know that seems like a step in the wrong direction, but maybe a clean install would allow us to uninstall it more easily than hunting down some registry key or obscure file.
Grant-