The error is:
Setting up rkhunter (1.3.2-6) ...
Installing new version of config file /etc/default/rkhunter ...
Configuration file `/etc/rkhunter.conf'
==> Modified (by you or by a script) since installation.
==> Package distributor has shipped an updated version.
What would you like to do about it ? Your options are:
Y or I : install the package maintainer's version
N or O : keep your currently-installed version
D : show the differences between the versions
Z : background this process to examine the situation
The default action is to keep your current version.
*** rkhunter.conf (Y/I/N/O/D/Z) [default=N] ?
*** rkhunter.conf (Y/I/N/O/D/Z) [default=N] ? y
Installing new version of config file /etc/rkhunter.conf ...
Installing new version of config file /etc/cron.daily/rkhunter ...
Updating the file properties database:
[ Rootkit Hunter version 1.3.2 ]
File updated: searched for 152 files, found 128, missing hashes 23
dpkg: error processing rkhunter (--configure):
subprocess post-installation script returned error exit status 1
Thanks for your report.
The error is: rkhunter ... conf' daily/rkhunter ...
Setting up rkhunter (1.3.2-6) ...
Installing new version of config file /etc/default/
Configuration file `/etc/rkhunter.
==> Modified (by you or by a script) since installation.
==> Package distributor has shipped an updated version.
What would you like to do about it ? Your options are:
Y or I : install the package maintainer's version
N or O : keep your currently-installed version
D : show the differences between the versions
Z : background this process to examine the situation
The default action is to keep your current version.
*** rkhunter.conf (Y/I/N/O/D/Z) [default=N] ?
*** rkhunter.conf (Y/I/N/O/D/Z) [default=N] ? y
Installing new version of config file /etc/rkhunter.conf ...
Installing new version of config file /etc/cron.
Updating the file properties database:
[ Rootkit Hunter version 1.3.2 ]
File updated: searched for 152 files, found 128, missing hashes 23
dpkg: error processing rkhunter (--configure):
subprocess post-installation script returned error exit status 1