@Jammer66--
If our are trying to access Paramount+ through The Roku Channel, try installing the Paramount+ app from the Streaming Channels menu, then logging into that with the parameters you established when you created your Paramount+ account.
Roku Community Streaming Expert
I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well.
If this post solves your problem please help others find this answer by clicking "Accept as Solution.".
Ultra 4800 | Streaming Stick 4K+ 3821 | TCL Roku TV 43S245/C107X