The July 2018 Windows Updates for Windows 7 SP1 and Windows Server 2008 R2 SP1 introduces a bug that could cause the network interface controller to stop working. The update referenced is KB4338818.
There is an issue with Windows and third-party software related to a missing file (oem<number>.inf). Because of this issue, after you apply this update, the network interface controller will stop working.
In case your systems run into this issue, the workaround from Microsoft is to do the following:
- To locate the network device, launch devmgmt.msc; it may appear under Other Devices.
- To automatically rediscover the NIC and install drivers, select Scan for Hardware Changes from the Action menu.
a. Alternatively, install the drivers for the network device by right-clicking the device and selecting Update. Then select Search automatically for updated driver software or Browse my computer for driver software.
Please use your best judgement and evaluate the risks of applying this update to your Windows 7 SP1 and Windows Server 2008 R2 systems.
** Update **
According to an IT Pro who opened a support case with Microsoft, this is the information provided at this time:
“Regarding the known issue in the July monthly rollup about the network interface controller that will stop working. We are still looking at the data gathered from multiple customers and we do not have a list third party software that is causing the issue. What we do know until now, is that the issue is reproducing mainly on VM over VMware.”