Ok, Check out /var/lib/update-notifier/user.d
Does this directory exist? Do a 'ls -l' in it. Do you have a broken file in there (due to corruption?) Thats exactly what this is sounding like. Or possibly somehow your permissions on /var/lib/update-notifier/user.d gut fizzled.
Ok, update- notifier/ user.d
Check out /var/lib/
Does this directory exist? Do a 'ls -l' in it. Do you have a broken file in there (due to corruption?) Thats exactly what this is sounding like. Or possibly somehow your permissions on /var/lib/ update- notifier/ user.d gut fizzled.