OK, let's see if anyone knows what is happening with my update manager.
About 6 months ago, update manager stopped working. It would start an update, but about half way through it would stop. Clicking to kill it would cause it to expand to full screen. The Ubuntu 12.04 LTS (32 bit) I am running stops dead and only a re-boot will cure the lock up.
Some on-line experts suggested I try using the terminal instead and this command. [sudo apt-get update && sudo apt-get dist-upgrade] When I use the update/upgrade as quoted here, I am able to get a lot of activity and after hitting enter several times it will say END. But a complete update/upgrade has apparently not taken place.
When I go back to update manager, it still shows all of the original updates/upgrades available and if I click on update, it completes the command, clens out the update files and announces that everything is up to date. I've been limping along like this,but perhaps someone with greater knowledge of the process can help me get back to just using update manager.
Thanks in advance to anyone that cares to help!