Host: [Ubuntu 21.04] Guest: [Window 10] -- Failed to open a session for the virtual machine Windows10

When I started the Windows10 from Virtualbox. it's not working. here is more information from the pop-up error box

Failed to open a session for the virtual machine Windows10.

The virtual machine 'Windows10' has terminated unexpectedly during startup with exit code 1 (0x1).

Result Code: NS_ERROR_FAILURE (0x80004005) Component: MachineWrap Interface: IMachine {85632c68-b5bb-4316-a900-5eb28d3413df}

for someone who is more Linux-savvy, and familiar with Virtualbox, this could be a simple issue, but I've been having a hard time wrapping my head around it.

as troubleshooting steps:

I even downloaded and installed the latest VM box
I rebooted the Ubuntu Host system a few times, hoping for some miracle to happen.

if someone could give me direction on how to get this Windows10 up and running, that's be very sweet.

Thank you very much

6

1 Answer

Based on what @ChanganAuto provided, I tried this command, and noticed the last line, '/usr' was world-open, that's why it's unusable.

$ VBoxManage list extpacks Extension Packs: 1 Pack no. 0: Oracle VM VirtualBox Extension Pack Version: 5.2.14 Revision: 123301 Edition: Description: USB 2.0 and USB 3.0 Host Controller, Host Webcam, VirtualBox RDP, PXE ROM, Disk Encryption, NVMe. VRDE Module: VBoxVRDP Usable: true

===== I changed the access level to that folder;

sudo chmod 755 /usr

then it started working.

*** my lesson from this, next time run , based on the output, fix that issue may suffice to take care of the unable to start the Virtualbox issue.

Thank you everyone who provided valuable feedback on this question!

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