This is a pic of what I got in Settings:
Post results from terminal for cat /etc/apt/sources.list.d/ubuntu.sources
I am sure noble-updates is missing, might be caused by the custom server setting in software and updates
sudo /etc/apt/sources.list.d/ubuntu.sources
sudo: /etc/apt/sources.list.d/ubuntu.sources: command not found
Thanks,
M.,
You forgot the cat (meow) 
My Bad.
mg@MGDesktopUnity:~$ cat /etc/apt/sources.list.d/ubuntu.sources
## Ubuntu security updates. Aside from URIs and Suites,
## this should mirror your choices in the previous section.
Types: deb
URIs: http://security.ubuntu.com/ubuntu/
Suites: noble-security
Components: main universe restricted multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg
Types: deb
URIs: http://archive.ubuntu.com/ubuntu
Suites: noble
Components: main universe restricted multiverse
Signed-By: /usr/share/keyrings/ubuntu-archive-keyring.gpg
mg@MGDesktopUnity:~$
Edit the file with:
sudo nano /etc/apt/sources.list.d/ubuntu.sources
Go to the line that says Suites: noble and change it to be:
Suites: noble noble-updates
Exit nano with Ctrl-X and say Y if it asks if you want to save the file …
Then run sudo apt update to update your package database… Now the package should be available
Should noble-backports also be included?
Suites: noble noble-updates noble-backports
WOW - ‘noble noble-updates’ FIXED my problem.
I can now boot with Kernel 6.14.0.33.
You guys are pretty darn smart.
I will do a backup and then add 'noble noble-updates noble-backports`
Then I will do a system update with the GUI.
Thank you ogra & tea-for-one.
This forum ROCKS! You have a nice day.
M…
1 Like
Okay Suites: noble noble-updates noble-backports added and gui software updater works.
All good - just one question 
How come I was missing
noble-updates noble-backports
?? ?
Is it something I inadvertently did ?
Thanks you all,
M…
Looking at how many third party package sources you have added it can indeed well be that you accidentally dropped it while adding another one or that some external (and buggy) script you ran did it for you without you noticing …
Be careful with third party packages, when adding a foreign package repository you give the owner of that package archive full root access on your device through dpkg, so think twice if you trust them enough for this before adding … (and if in doubt, just open a topic here to get other opinions)
Your other topic mentions unusual sources e.g. xtradeb-ubuntu-apps-noble.sources
Therefore it seems a repo was added, which may have contributed to the issue in this topic.
Anyway, it’s good news that your system is OK now.
As mentioned by @ogra, be careful when considering software from third party sources.
Yes, I will take your advice and certainly be careful when considering software from third party sources.
Do I have to mark this post as ‘closed’ ?
Thanks again,
M…
You already did with the “solution” checkmark above (the actual locking down will happen automatically after a while)
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