PC Web Browser ConfigurationsWhat browser are you using?
Try Opera or FF? If IE 8, 9, 10 or 11, set compatibility mode and test again.
Disable any security browser Add-ons like No Script and Ad-Block or configure them to allow All Pages when connected to the DNS.
Clear all browser caches.
It keeps asking me to login, my password is the right one but still nothing, i can only access the nas from the explorer