Do you still have the debs for Skype and Thunderbird installed? If so then two icons is expected (bug 1971610).
You can check with: dpkg -l ** Changed in: gnome-shell (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/2078728 Title: two desktop icons are shown for snap apps after upgrading from 22.04.4 to 24.04.1 Status in gnome-shell package in Ubuntu: Incomplete Bug description: After upgrading from 22.04.4 to 24.04.1 two desktop for snap apps are shows in all applications menu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2078728/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp