[Samba] Problem logging in to LAN

Since installing kubuntu 10.04, I've had problems logging in to my account on the corporate LAN. The account is Windows ADL and I need to supply a username and pwd for each logon. A couple of years ago under kde 3.X, I used smb4k to get to network shares, but that stopped working w/ kde 4.X

[Samba] smbclient problem

Please forgive if this is not the right place to seek help on this (and direct me to the right resource!). Since installing kubuntu 9.04, smbclient (3.3.2) and smb4k (0.10.2) are all messed up. While I can access shares on an Active Directory network using the smbclient protocol from