hi there, i'm brazilian so i'll be as short as possible. i'm using a Intel D975XBX2 motherboard (work ok in WinXP) i have a modem that is fine (work ok in WinXP) i upgraded to Vista x64 and after some time the internet connectionstop working... i have a wireless card that send internet connection to my brother's pc and if my internet stop working the other pc still have connection... i was looking in the MSN repair ability and found that when the error occurs i have a notification in the KEY PORTS... if i had msn logged in, it keeps on the net, but can't receive or send msg. still see contacts sign in, but can't send or receive a messenge. does anyone had the same problem? any solutions? i need help =D Regards, Felipe.