Guys I need your help im trinig for 2 days buy nx .... I tired throught the browsers: Chrom,Explorer and Firefox :(...

and when im traing its giving me an alert that there is no connection while i got great connaction...
The probleme accure in the step when i supose to put my crdit card number !!!
and its so annyoning beacuse its last step befor getting nx !!!
tnx for helprs nad pls feel free to subscribe or post here !! ~~