Forex Rates And Charts Why I Can't Use Any Of Forex Trade Programs?

Why I can't use any of forex trade programs? - forex rates and charts

A few days ago to begin with some demo versions .. Forex trading, since yesterday I have not used any of them. Whatever you try to program .. I is frozen only in the footsteps of one of the operators have been proposed, but in vain .. What can I do? I have Windows Vista and can not see the pictures and the prices do not move to another PC .. INDOWS I use XP and recently move was frozen and the prices are not ... I know that sometimes the Internet is accessible, but only sometimes .. can someone advise me ..