It looks like a sign-in window pops up every time you run the application.
Here is a discussion link on a similar issue, kindly check out the steps provided there and let us know if that helps.
Of the solutions in the link, only Creative Cloud Desktop Logout worked.
If you log in from Photoshop to use Photoshop, a pop-up window pops up again.
Kindly try to run the Acrobat cleaner and uninstall the application completely and then install it again. Follow the below links for reference:
Let us know if that helps.
was solved with this solution. thanks!!