Update: line 1627 Change: $(this).removeAttr('title').attr(oldtitle, title).attr('title',''); Dynamic/Ajax loaded tooltips in IE show the default browser title attribute and tooltip on initial mouseover. Adding .attr('title','') fixes the issue. 
Update: line 1627
Change: $(this).removeAttr('title').attr(oldtitle, title).attr('title','');
Dynamic/Ajax loaded tooltips in IE show the default browser title attribute and tooltip on initial mouseover. Adding .attr('title','') fixes the issue. 
textioHQ/qTip2,landsurveyorsunited/qTip2,itnovator/qTip2,qTip2/qTip2,textioHQ/qTip2