I also got the same problem. This is new install of Lucid Lynx 64bit.
updated to date.
When I save the password to remember, I got the DBUS error in the next
time.
If I remove the password entry in the Passwords and Encryption Keys,
try to open samba share it is asking for the password work.
For the new install of Lucid Lynx with remember password for samba
share browsing, it is reproducible.
** Changed in: gvfs (Ubuntu)
Status: New = Confirmed
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Nautilus in Lucid Lynx Samba could not display network location dbus error
gvfsd-smb-browse