Do you have any 3 rd party anti-virus application installed in your system, I heard that some users have this issue because these software block the connection, if you have, you can temporarily disable them. or change the security level in Internet
Option\security, set the "Custom Level" to low and disable protected mode. or manually add the hotspot page to a compatibility view list.
Microsoft is conducting an online survey to understand your opinion of the Technet Web site. If you choose to participate, the online survey will be presented to you when you leave the Technet Web site.