Comment 4 for bug 349179

From:
http://ubuntuforums.org/archive/index.php/t-730369.html

if you are getting this error:
"Tree connect failed:NT_STATUS_BAD_NETWORK_NAME" you are likely missing /etc/drivers/samba directory,
$ sudo mkdir /etc/drivers/samba will fix this

It's worth a try

I'm adding a samba package association too