Hi All. Thanx for your help i appreciate for that now i had one more problem but this is a monor problem for me.please tell me which protocols is used for downloading i want to know because so i can easily block downloading according to my network scenario.or please tell me how can i block downloading and voice chatwhich protocol i wanna block.please tell me.because i must blockl the downloading because of network loading. thanx for your reply again saqib --------------------------------- Yahoo! Plus - For a better Internet experience