Not able to Login to JotForm

I had the same problem. It was -Ads by DNS Unlocker Virus-,

Please this step also.

#1 Close the browser

#2 Open the browser and go to this URL http://www.jotform.com/?noCDN=true

#3 Login to your account

#4 Go to your My Forms page http://www.jotform.com/myforms/

Let us know how it goes.