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Failed to open a session for the virtual machine

Posted: 7. May 2021, 08:23
by pravi
I get this VirtualBox Error dialog box when I click on Start button in VirtualBox.

VirtualBox version: 6.1.22
My Host OS : Windows 7 Home Premium
My Host RAM : 12 GB
My Host System Type : 64-bit OS

Request help here.

Re: Failed to open a session for the virtual machine

Posted: 7. May 2021, 18:58
by scottgus1
Virtualbox 6.1.x no longer supports Windows 7 for a host OS. Drop back to 6.0.something. 6.0.14 seemed stable in the forum for a long while. Or 5.2.something.