Anaconda Assistant - Repeated Requests to Sign in Not Recognized in JupyterLab

I’m logged in, and I’m able to use JupyterLab within Anaconda Navigator (on my Windows machine) . The rightmost pane looks like this:

When I click on Sign in, a new tab opens with the following:

(I’ve erased my full email address.) When I click on Activate, I get the following

When I return to JupyterLab, nothing has changed. Unfortunately, I’ve had this occur on both my machines. I’ve used JupyterLab under Anaconda Navigator for over a year previously with no such difficulties. The problem seems to be with the the most recent version of Anaconda.

GenAI indicates that this is a known problem, but I haven’t found any reference to this here or elsewhere (though I might have missed it). I’m hoping someone has a suggestion, other than using Anaconda desktop or using a GenAI assistant separately from within JupyterLab.

Thanks.