post-installation script error solved

Had some problems today with aptitude getting its knickers in a knot, returning the error

dpkg: error processing install-info (--configure):
subprocess installed post-installation script returned error exit status 1

. This blog post helped to solve the problem simply and easily with the commands:

sudo rm /var/lib/dpkg/install-info.postinst
sudo aptitude reinstall install-info

Many thanks to azimout!