If Virtualbox still complains of the 'VERR_NEM_VM_CREATE_FAILED' error, try all the steps again. Then plug it in again and boot up Windows 10.

When the computer turns off, unplug it for 20 seconds. Enter this command: bcdedit /set hypervisorlaunchtype offĦ. Find the Command Prompt icon, right click it and choose Run As Administrator.Ĥ.

Look into the 64-bits tutorial below, 2nd post, points 2 & 3 and ensure that none of these things are running.ģ. But I had an idea pop in mind that maybe it's Hyper-V that is causing the checksum problem you posted about, not the version of Virtualbox.Ĭould you pause for a moment, uninstall 6.1.0, and reinstall 6.1.6, and then follow this to remove Hyper-V:ġ. I really appreciate your willingness to help. I see that you are trying my suggestion I made in your other topic viewtopic.php?f=6&t=97903&p=474815#p474815 to roll back Virtualbox. It is probable that the 6.1.6 you were running had some more code to run under Hyper-V that 6.1.0 does not have.Ĭhances are there is nothing left over or missing from the Virtualbox installation. We can't see the second image, but the first image, 'VERR_NEM_VM_CREATE_FAILED' error, means that some service in Windows 10 that uses Microsoft Hyper-V is active in your host PC OS. How can I completely uninstall VirtualBox so that it installs correctly?ĮDIT: I searched for 'can't completely uninstall virtualbox windows 10' on the Web, but I want to ask here before trying any of the solutions the search engine offered. Anyway, right now I can't run ANY virtual machine from VirtualBox. Sample error popup shown below.įrom this, I figured that some critical file didn't get deleted by the uninstall, or rewritten during the install. When I installed VBox 6.1.0, I got the same message. When I uninstalled VBox 6.1.0 and re-installed VBox 6.1.4, I got the same message.

When I tried to run either an existing virtual machine or a new virtual machine, I got an error popup: 'Failed to open a session for the virtual machine. Using the standard Windows 10 'Add or Remove' programs tool, I removed VBox 6.1.4 and installed 6.1.0.

I'm trying to uninstall VirtualBox and install another version. VirtualBox version: 6.1 (various) and 6.0 (various) Error message when trying to start a VM vbox_fail2.png (55.04 KiB) Viewed 13126 timesHost OS: Windows 10 Pro, version 1909 (_, os build 18363.778

Uninstall virtualbox firewall