I have been using a Linksys Fast Ethernet 10/100 router for a year or so now without problems...until now. I have a cable modem with Roadrunner. This gets directed to the hub which then sends the signal to my two networked computers. Pretty simple. The problem is now I have an intermittent break-up of the signal from the hub to my main computer. I can watch it visually as the LED lights on the hub go out. It seems to be getting worse. Meanwhile, the signal to my second computer has no problem whatsoever. The cable signal itself seems fine. I also have it coming into a TV tuner on my main machine. The fact that the internet access to the other machine is fine leads me to believe it must be either the cord between the hub to my main machine or the ethernet card in the main machine itself. However, I have replaced the cord three times. The card is the one installed by the Roadrunner tech--not a Linksys card. I don't know what brand it is, but it shows up in my device manager as a GFC2204. Do ethernet cards have a history of going bad? Any advice I can get would be greatly appreciated. Its getting to the point where I can rarely connect to the internet without interruption. It almost takes me back to my dial-up/AOL days! I need my HTF! P.S. I should maybe also mention that I've got Norton Internet Security 2002 running on my machine with firewall protection. But, again, I have made no changes which should affect this situation. P.P.S. *Edit* Maybe I should also add that I have tried some obvious things like re-installing the ethernet card and moving it around in different slots inside the computer. I have also tried the cord in different jacks in the hub. Oh, and I'm running Windows ME.