Broken Microsoft Update – KB4338818

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You may have installed Microsoft Update KB4338818 during Patch Tuesday and now your Microsoft Windows Server 2008 R2 is broken right? Maybe even some Windows 7 machines?

Well guess what? You are not the only one!

Yes, Microsoft have done it yet again, released a dirty update that this time hits your Microsoft Windows Server 2008 R2 machines and Microsoft Windows 7 SP1 machines.

To be exact, KB4338818 causes a problem with your Network Interface Controller (NIC), whereas after applying the update, the card stops working in Windows!

The official information from Microsoft is below.

Known issues in this update (KB4338818)

Symptom Workaround
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.
  1. To locate the network device, launch devmgmt.msc; it may appear under Other Devices.
  2. 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.

Microsoft have given their above “Workarounds” but none of these worked for us.

So, if you are still experiencing any weird issues with your machines, take a stab at removing these and see if it helps.

How to Remove Problem Updates

If you need some guidance on what to do to remove these or any other updates, be it on a single machine or mass corporation remove, take a look at this post as we have added some instructions towards the end of the post that you may find helpful.

Who knows, in the future far, far away, we may be able to go a week without Microsoft releasing a dodgy update!

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About A.J. Armstrong

Founder of TechyGeeksHome and Head Editor for over eight years! IT expert in multiple areas for over 20 years. Sharing experience and knowledge whenever possible! Making IT Happen.

View all posts by A.J. Armstrong