This is a bug in sp2 on your windows xp you need a simple patch
http://www.microsoft.com/downloads/details.aspx?FamilyID=17d997d2-5034-4bbb-b74d-ad8430a1f7c8&DisplayLang=en
this is more comon in laptops or wi fi unusual if its a desktop hardwired in
were a internet cafe
wight cable firstly provided us with a SDSL 1up 1down for 12 pcs
after complaints about lagg
they blagged the boss to get a 2nd line 512up 2down
this is making my life hell now im realy fedd up want to go with demon net or anyone else realy but we are stuck nerly