New Topic Reply To: Nivo SliderHome › Forum › Plugins › Nivo Slider › Reply To: Nivo SliderMarch 26, 2014 at 2:10 PM #1531 alexParticipantI’m having the same problem. When I enter the license key for the Nivo Slider WordPress Plugin found in sources/plugins/keys.txt, I get a message that it’s an invalid licence.