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ERROR: virtualization support is disabled on your Mac

APPLIES TO:
  • Parallels Desktop for Mac Business Edition
  • Parallels Desktop 9 for Mac Standard Edition
  • Parallels Desktop 8 for Mac Standard Edition

Symptoms

When you start Parallels Desktop or a Virtual Machine, you get this error message:

    Your virtual machine may run slow because virtualization support is disabled on your Mac

Another error message may come up after the first one:

    Unable to load the Parallels Driver


Magican application was used to "clean up" your Mac


The following sequence can be found in OS X system.log file (Applications > Utilities > Console > system.log):

    Loading kernel extension prl_usb_connect.kext
    Failed to load kernel extension prl_usb_connect.kext
    /Applications/Parallels Desktop.app/Contents/MacOS/service: line 98: kextload: command not found
    Loading kernel extension prl_hypervisor.kext
    Failed to load kernel extension prl_hypervisor.kext
    /Applications/Parallels Desktop.app/Contents/MacOS/service: line 98: kextload: command not found
    Loading kernel extension prl_hid_hook.kext
    Failed to load kernel extension prl_hid_hook.kext
    /Applications/Parallels Desktop.app/Contents/MacOS/service: line 98: kextload: command not found
    Loading kernel extension prl_netbridge.kext
    Failed to load kernel extension prl_netbridge.kext
    /Applications/Parallels Desktop.app/Contents/MacOS/service: line 98: kextload: command not found
    Loading kernel extension prl_vnic.kext
    Failed to load kernel extension prl_vnic.kext
    /Applications/Parallels Desktop.app/Contents/MacOS/service: line 98: kextload: command not found

Cause

kextload - a OS X system utility necessary for loading kernel extentions ("kexts", drivers) - is missing on your Mac

This issue may be caused by the Magican application or some other similar "OS X cleanup" applications.

Resolution

Please contact Apple support to fix the kextload issue



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