Hi Serge thanks for the prompt response and suggestion.....I tried it but I'm not sure it worked......please see the text below.... apt-get install sed lsb-base Reading package lists... Done Building dependency tree        Reading state information... Done lsb-base is already the newest version. sed is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 8 not upgraded. 3 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Do you want to continue [Y/n]? Y Setting up samba-common (2:3.5.8~dfsg-1ubuntu2.2) ... /var/lib/dpkg/info/samba-common.config: 69: sed: not found /var/lib/dpkg/info/samba-common.config: 69: sed: not found /var/lib/dpkg/info/samba-common.postinst: 84: sed: not found dpkg: error processing samba-common (--configure):  subprocess installed post-installation script returned error exit status 127 dpkg: dependency problems prevent configuration of samba-common-bin:  samba-common-bin depends on samba-common (>= 2:3.4.0~pre1-2); however:   Package samba-common is not configured yet. dpkg: error processing samba-common-bin (--configure):  dependency problems - leaving unconfigured dpkg: dependency problems prevent configuration of smbclient:  smbclient depends on samba-common (= 2:3.5.8~dfsg-1ubuntu2.2); however:   Package samba-common is not configured yet. dpkg: error processing smbclient (--configure):  dependency problems - leaving unconfigured No apport report written because the error message indicates it's a follow-up error from a previous failure.                             No apport report written because the error message indicates it's a follow-up error from a previous failure.                                                         Errors were encountered while processing:  samba-common  samba-common-bin  smbclient E: Sub-process /usr/bin/dpkg returned an error code (1) I went through the 'upgrade' process to v11.04, rather than a 'fresh install'. Do you think a disk format and a new install from CD might resolve my issue? .....or should  I try to persevere (and trouble you in the process?) Thanks again for your help and advice. Regards Carlos ________________________________ From: Serge Hallyn