I disabled my Microsoft Virtual WiFi Miniport network adapter from Control Panel\\Network and Internet\\Network Connections.
Microsoft Virtual WiFi Miniport
Control Panel\\Network and Internet\\Network Connections
Just right clicke
http://www.instructables.com/id/How-to-Set-Up-a-Wireless-Hotspot-Windows-7/step1/Step-1-Enabling-the-Microsoft-Virtual-WiFi-Minipor/
and then execute in command prompt (ADMIN)
netsh wlan start hostednetwork