The error you mention is bug 1905519, but let's assume that's a different problem to the main freeze here...
Please start by uninstalling all of these extensions: 'openweather-extens...@jenslody.de', 'caffe...@patapon.info', 'dash-to-d...@micxgx.gmail.com', 'mprisindicatorbut...@jasonlg1979.github.io', 'freon@UshakovVasilii_Github.yahoo.com', 'snap-manager@fthx' Eliminating extensions from the equation is the first thing we need to try because extensions cause so many bugs. ** Changed in: gnome-shell (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1912246 Title: gnome-shell freezes randomly after upgrading to groovy To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1912246/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs