It's possible that our proxy server is down. If you're on the network (on campus, on CloudLab, or on the VPN), try this workaround:
Go to the Article & Research Databases List, click the desired database, and remove the highlighted section.
Example:
http://libproxy.nps.edu/login?url=https://search.proquest.com/ip?accountid=12702
Please contact us as Ask a Librarian!