Multiplayer problem with Wireless internet

Hey guysim having some problems with online flying and other mutliplayer games...i have wirless internet (SMC2802W 2.4GHz 54 Mbps Wireless PCI Adapter) and i keep freezing about 3-4 secs every other minutes...i have no clue why...my connection is good and so is my signa strenght..here is a screenshot of my taskmanager (yellow showing my connection) as you can see the first 2 times it froze for a short time 3rd time i get disconectedhttp://forums.avsim.net/user_files/99303.jpgnow anyone got anyclues?>my WInxp firewall is off.cheersNick