/home/user # apt-get install -f
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Correcting dependencies... Done
The following packages will be REMOVED:
  preenv-hd
0 upgraded, 0 newly installed, 1 to remove and 10 not upgraded.
1 not fully installed or removed.
After this operation, 3695kB disk space will be freed.
Do you want to continue [Y/n]? y
(Reading database ... 38329 files and directories currently installed.)
Removing preenv-hd ...
dpkg - warning: while removing preenv-hd, directory `/media' not empty so not removed.
dpkg - warning: while removing preenv-hd, directory `/opt/preenv/lib' not empty so not removed.
dpkg - warning: while removing preenv-hd, directory `/opt/preenv' not empty so not removed.