After applying patches KB2769034, KB2761226, KB2737084 and KB2727528 on 15/11/2012, my Intel 82578DC network adapter driver failed on windows start up. I have to re-install the driver every time the computer started. I have installed the latest network adapter driver from Intel website and it does not

Method 1: Run Network Adapter troubleshooter Follow the steps to run Network Adapter troubleshooter: a) Open the Network Adapter troubleshooter by swiping in from the right edge of the screen, tapping Search (or if you're using a mouse, pointing to the upper-right corner of the screen, moving the mouse pointer down, and then clicking Search), entering troubleshooting in the search box, tapping or clicking Settings, and then tapping or clicking Troubleshooting. Tap or click Network and Internet, and then tap or click Network Adapter.
Method 2: I would also suggest you to follow the steps from the link and check if the issue persists. How do I fix network adapter problems? http://windows.microsoft.com/en-US/windows-8/fix-network-adapter-problems