Cannot run VMware WS Pro 14 after KB4517211

anyone else? This is bad…



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  1. This has been known since before 1903 dropped.

    Upgrade Workstation, or remove the KB. This has to do with changes in Hyper-V in prepping for sandbox mode. It’s causing conflicts

  2. same here… VMWare 12 won’t run anymore after installing this update… uninstalled update to fix one machine… can’t run VMWare 15 due to older CPU issue….

    any other workarounds?

  3. I am also having the same error since Windows 10 applied latest update yesterday.

    Software Version: VMware Workstation Pro 12



    CPU: Intel Core i7-930

    Motherboard: Gigabyte GA-X58-UD5 (Rev 1.0)


    Altough as you may have guessed my computer is “antique” compared to modern hardware. It can’t run newer Workstation releases starting from Workstation Pro 14. I bought it in 2010.. It’s almost 10 years old.

    However I am really surprised that it also affected many people with modern (1~5 years old) hardware.

  4. This started after cumulative window update.

    It can be solved by uninstalling the updates causing the problem and blocking them from reinstalling using “Show or hide troubleshooter tool”. You can also disable entry for vmware workstation pro in compatibility administrator. For this to work you need Windows ADK(Application Compatibility Toolkit (ACT)). ([https://docs.microsoft.com/it-it/windows-hardware/get-started/adk-install](https://docs.microsoft.com/it-it/windows-hardware/get-started/adk-install))

    Source :


    Using compatibility administrator ( [https://www.youtube.com/watch?v=nOzD-G_gy9I](https://www.youtube.com/watch?v=nOzD-G_gy9I) )

    By unistalling updates ( [https://www.youtube.com/watch?v=OrLM7MZd2UQ](https://www.youtube.com/watch?v=OrLM7MZd2UQ) )

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