apt-get install squid
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  squid-common squid-langpack
Suggested packages:
  squidclient squid-cgi logcheck-database resolvconf
The following NEW packages will be installed:
  squid squid-common squid-langpack
0 upgraded, 3 newly installed, 0 to remove and 0 not upgraded.
Need to get 0B/1,346kB of archives.
After this operation, 8,503kB of additional disk space will be used.
Do you want to continue [Y/n]? y 
Preconfiguring packages ...
dpkg: unrecoverable fatal error, aborting:
 syntax error: unknown user 'smsd' in statoverride file
E: Sub-process /usr/bin/dpkg returned an error code (2)