Default gateway setting is lost from a sleep state in Windows Vista
Update for Windows Vista (KB933872)
Brief Description
Install this update to resolve an issue where the default gateway setting is lost when you wake a computer running Windows Vista from a sleep state.
File Name: Windows6.0-KB933872-x86.msu
Overview
Install this update to resolve an issue where the default gateway setting is lost when you wake a computer running Windows Vista from a sleep state. After you install this item, you may have to restart your computer.