[Solved] Fatal error during virtual machine startup

[kronos1026]

After installing and uninstalling "docker" virtual machines on VirtualBox stopped starting: I am getting a critical error during startup.

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00:00:14.083451 Console: Machine state changed to 'GuruMeditation'
00:00:14.083601 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
00:00:14.083602 !!
00:00:14.083602 !!         VCPU0: Guru Meditation 1155 (VINF_EM_TRIPLE_FAULT)
00:00:14.083615 !!
00:00:14.083618 !! Skipping ring-0 registers and stack, rcErr=VINF_EM_TRIPLE_FAULT
00:00:14.083621 !!
00:00:14.083621 !! {mappings, <NULL>}
00:00:14.083622 !!
00:00:14.083628 !!
00:00:14.083628 !! {hma, <NULL>}
00:00:14.083629 !!

Could you help me understand what the problem is and how to fix it, please?

Thanks

[scottgus1]

Hyper-V is enabled by Docker. See HMR3Init: Attempting fall back to NEM (Hyper-V is active)

[kronos1026]

Thanks, It's work.

If you have the same problem, this command will help you:

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DISM /Online /Disable-Feature:Microsoft-Hyper-V

[mpack]

That command will not always help. Better if they follow the FAQ, which was created for a reason!

Thanks for reporting back.