apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be upgraded:
  libmysqlclient15off mplayer mysql-common unzip
4 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0B/5944kB of archives.
After unpacking 0B of additional disk space will be used.
Do you want to continue [Y/n]? y
debconf: Perl may be unconfigured (Can't locate Debconf/Log.pm in @INC (@INC contains: /usr/lib/perl5/5.8.8/i486-linux-thread-multi /usr/lib/perl5/5.8.8 /usr/lib/perl5/site_perl/5.8.8/i486-linux-thread-multi /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl .) at (eval 1) line 4.
BEGIN failed--compilation aborted at (eval 1) line 4.
) -- aborting
dpkg: syntax error: unknown user `hplip' in statoverride file
E: Sub-process /usr/bin/dpkg returned an error code (2)