LL 3.6 Hasn't found updates in months (and refuses to upgrade to LL 3.8)

[Xorcist]

Here is the output of the command:

Code:

xorcist@AV49N:~$ sudo apt-get update
[sudo] password for xorcist:
Hit:1 http://us.archive.ubuntu.com/ubuntu xenial InRelease                     
Hit:2 http://archive.canonical.com/ubuntu xenial InRelease                     
Hit:3 http://repo.linuxliteos.com/linuxlite citrine InRelease                 
Get:4 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB]     
Hit:5 http://ppa.launchpad.net/nemh/systemback/ubuntu xenial InRelease         
Get:6 http://us.archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]   
Get:7 http://us.archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB] 
Hit:8 http://ppa.launchpad.net/otto-kesselgulasch/gimp/ubuntu xenial InRelease
Hit:9 http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu xenial InRelease       
Fetched 306 kB in 3s (86.9 kB/s)                 
Reading package lists... Done
xorcist@AV49N:~$

however it did not change anything... both updates and upgrades tell me I'm fully up to date.