The DSA-3100's web management uses SSL for protected access to theadministration interface and user authentication interface.

Make sure you are typing https://192.168.0.40 (192.168.0.40 beingthe DSA-3100's Local Network IP address) in the address bar of yourInternet Browser rather than <http://....>. If you arestill having difficulty, unplug the power to the DSA-3100 and plugback in, and then try to access the web based configuration again.