Have a Google Pixel 3a running Android v12 and I'd say 2 out of 3 times when I attempt to launch LastPass, it never loads beyond the launch view (all red). Anything I can do when this happens?
Sorry to hear about the start up trouble.
Do you have any other apps running in the background that may interfere with LastPass?
Have you gone through a full re-install of the mobile app on the Pixel?