You provide no information except you have a problem. Are you usinf Wibdow 10 or some Mac OS verion? Are all Windows Update installed? Are you sure you have the latest devic driver instaled for your GPU from the manufacturese web site. Are all Apple update installed and apple firmwhere up to date?
I have been having the same problem since the update last week.
Windows 10, all adobe applications says updated.
I have unistalled, reinstalled, rebooted, renamed files....
can't print or control p all grayed out, can't auto tone or any of these 3 auto adjustments are grayed out, can't duplicate a layer or do anything from layer but can go to menu and add adjustment layer, nightmare.