If you go to the Security Center, you can tell your computer not to update automatically.

Vista has a new networking interface, and can be kind of fickle from my experience

Start -> Network -> Network Sharing Center

This will show you your computer’s name, and a visual path in which it connects to other devices and the internet. It will tell you where the connection is bad between the devices to give you an idea of what may be wrong.

If you click diagnose and repair, Vista will try several things to refresh and renew your connection. There are also many other options to set up a network on the side.

If this doesn’t help, then without getting into a great bit of detail you can try removing the update, system restore, or contacting the manufacturer for proper installation of the device.

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