I have 18.04 installed, but just recently I noticed my updates are shown as blank and pre-downloaded even though I have configured updates as notifications only. I find this very odd and a little disconcerting, but I'm resigned to the fact that something has probably gone slightly screwy. How to fix this, so that the updater display the updates, or not show up if there is nothing to update?
Even though there is nothing listed, I can't be certain if anything is being installed, hence I can't help but feel slightly paranoid. Do you have any ideas?