Oracle VM Virtual box – Failed to Open a session for the virtual machine.

Issue: When trying to open a virtual machine via Oracle VM Virtual box got the below error.

Call to NEMR0InitVMPart2 failed: VERR_NEM_INIT_FAILED (VERR_NEM_VM_CREATE_FAILED).

Result Code:	E_FAIL (0x80004005)
Component:	ConsoleWrap
Interface:	IConsole {872da645-4a9b-1727-bee2-5585105b9eed}

Fix:

Turn Off HyperV

1. Run Command Prompt as administrator.(Right click and Run as administrator)

2. Run the command bcdedit /set hypervisorlaunchtype off to switch off HyperV

3. Restart the system.
4. Try starting the VM again.

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For any reason if you like to enable HyperV again, run the below command.

bcdedit /set hypervisorlaunchtype auto