So the computer with which you configured the bridge and verified it was connected to the internet, is not the same as this computer? In most cases, if the bridge works at all, it will work w/ anything. The bridge is essentially transparent to the device that's using it. So it seems very odd it would work w/ computer X but not Y (assuming they are similarly configured).
What's the model # of this bridge?
It is a wet610n. I set it up hooked up with the modem as the disk told me to do. Then it says to hook up to the device you want to make wireless and I did but my desktop still doesn't work.