well go to housecall and scan for viruses (google housecall)
then go to your network connections thing under control panel and go to tcpip properties and make sure the IP is set as it should be..
that's all I can do to help you with my limited networking knowledge
Dell Inspiron 1420 in Midnight Blue - Intel Core2Duo T7300 2.0GHZ/4MB - 2GB Ram - Nvidia 8400 GS 128mb - DVD/RW - 160GB 7200RPM - 14.1" Antiglare - Intel 4965AGN - Bluetooth 2.0 - 2MP Webcam - Vista Home Premium
2005 Mazda3i in Strato Blue