In trying to access a customer, I get a green circle that keeps spinning. In one word, it's "stuck". It happens only on this one customer. What can I do to correct this?

It could be a browser's issue, yitzchakw.

Let's try to login to your account using a private browser, and access the customer from there. If it works, we need to clear the cache in the regular browser. Clearing them fixes a certain problem like the website keeps on loading.

Also, try to use a different browser like Google Chrome, Mozilla Firefox, or Internet Explorer.

Please let me know if you have other concerns.