Thank you again for your response at 14 Sep 2007 21:01:39.<br><br>No, I did not attempt to reinitialize the package information.<br><br>"sudo apt-get update" worked. I.e., it executed with a couple of warnings (one relating to VirtualBox). Subsequently I was able to restart the Synaptic package mgr. properly.
<br clear="all"><br>I will now wait to see whether the VirtualBox owners react to my inquiry before trying again to install that.<br><br>-- <br>Best wishes, Henry<br><br>H.M. Gladney, Ph.D. HMG Consulting <a href="http://home.pacbell.net/hgladney/">