Comment 13 for bug 925678

Sorry, command-not-found has crashed! Please file a bug report at:
https://bugs.launchpad.net/command-not-found/+filebug
Please include the following information with the report:

command-not-found version: 0.2.44

right after I did a apt-get update and apt-get upgrade and did the proposed

apt-get install linux-generic-lts-trusty linux-image-generic-lts-trusty

for extended support on 12.04