Could you try to logout - and in again from the Creative Cloud app.
Then relaunch Lr Desktop.
Hope this helps.
Thank you, yes that worked...
i have the same problem on my mac mini; Upon launch the icon appears on the doc for literally a second and then disappears; application manager appears -> click on test continue.....but nothing happens
Could you try logging out -and in via the CC app (this is important) and not via the browser and restart Lr Desktop afterwards? See instructions here: Sign in, Sign out | Creative Cloud desktop app
Hope that helps
i tried that already but the effect ist the same -> application manager starts and if i choose continue nothing happens
For some user it helped to reboot the desktop machine. have you tried this already? - Guido