DRE Console Login Error

One of our techs with a license is struggling to get the console to work on his Desktop. It continues to give the same error (see picture). He can login online and sometimes it allows him to use his license there, sometimes it doesn't. But he wants to be able to use the Desktop console. When clicking "login" on the console, it opens up a web browser and allows him to login, do the TFA, and it says successfully logged in screen. The console then shows the error below. Any suggestions? He has tried completely uninstalling and reinstalling the console. He has reset his TFA and his password.

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