It also leads to a black screen after the boot-up. I don't get the error in the boot-up prompt anymore, but I get an alert 'invalid setting detected'.

I also disabled Windows Defender's Core Isolation.įinally, I tried c hanging the display settings from VMSVGA to VboxVGA or VboxSVGA. So I just unchecked the Hyper-V box from Windows Features.ĭisable DeviceGuard with gpdedit.msc, but my system seemingly doesn't have it (it's Windows 10 Pro only from what I read, I'm running Windows 10 Family). I first tried to disable it using the command lines bcdedit /set hypervisorlaunchtype off DISM /Online /Disable-Feature:Microsoft-Hyper-V I went to check on Windows Features after restarting my pc and Hyper-V was downloaded but still activated. I apparently didn't have access to Hyper-V, so I downloaded it. Turned off / on Windows Hypervisor Platform, Virtual Machine Platform, and combinations of the 2 in Windows Features. Increased video memory to 128Mb, and double my disk space up to 64Gb ] *ERROR* failed to send host log message The ubuntu logo starts rotating, it disappears and I then get a black screen.

When I tried to open it today for the first time after a week, the boot-up prompt displayed the following error message :

Except I once had a problem with a black screen after the boot-up but it was just a video memory issue. For the past weeks, it worked almost perfectly. I'm running Linux ubuntu 20.04 on VirtualBox 6.1 from a windows 10 laptop. Hi ! I already asked the same question on stack exchange but it went unnoticed and I'm starting to panic.

Virtualbox ubuntu resolution