Same issue on Xubuntu 22.04.3 LTS (my tower computer). The problem seems related to bug #1900167. I have fix it by doing from terminal : 'sudo apt update && upgrade'.
The following web page may contain useful tricks: https://devicetests.com/fix-prepared-update-not-found-error-ubuntu -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/2008907 Title: Ubuntu 22.04.2 Update GNOME-Software fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-software/+bug/2008907/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
