I can login to other databases fine, and can access their basic page, but when I select Digital Library at the top, it loops back to login, so I login and then I am back to the basic page.
I have tried it here from the library and it seems to be working on-campus. Are you off-campus? Are you accessing ArtStor from the library website? Our technical team received your issue and will be looking into the problem. When I hear back from them, I will contact you.