Powering on a virtual machine in Workstation fails with the error: Unable to open kernel device ".\Global\vmx86" : The system cannot find the file specified
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Powering on a virtual machine in Workstation fails with the error: Unable to open kernel device ".\Global\vmx86" : The system cannot find the file specified

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Article ID: 328823

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Updated On:

Products

VMware Desktop Hypervisor

Issue/Introduction

Symptoms:
  • Cannot power on a virtual machine in Workstation
  • Powering on a virtual machine in Workstation fails
  • You see the error:

    Unable to open kernel device ".\Global\vmx86" : The system cannot find the file specified.

    Did you reboot after installing VMware Workstation?

    Failed to initialize monitor device.


Environment

VMware Workstation 9.x (Windows)
VMware Workstation 10.x (Windows)
VMware Workstation 11.x (for Windows)
VMware Workstation Pro 14.x (for Windows)
VMware Workstation Pro 15.x (Windows)
VMware Workstation 8.x (Windows)

Cause

This issue occurs if VMware Workstation did not install correctly on the host.

Resolution

To resolve the issue, reinstall VMware Workstation on the host.
 
To reinstall Workstation:
  1. Close VMware Workstation.
  2. Uninstall Workstation by navigating to Control Panel > Add/Remove Programs or Control Panel > Program and Features.

    For more information, see:
  3. Reboot the host.
  4. Reinstall VMware Workstation using the installer. To download Workstation, see the VMware Download Center. For more information, see Installing and Using Workstation.

    For more information on downloading and installing VMware Workstation, see this video:



Additional Information

Cleaning up after an incomplete uninstallation on a Windows host
「Unable to open kernel device ".\Global\vmx86" : The system cannot find the file specified」というエラーが表示されて Workstation の仮想マシンをパワーオンできない