Right, I've encountered the same problem and found out that Windows 7 is missing support for SHA256 signing component. So I installed Microsoft update KB3033929, restart the computer and the VM works . Hope that helps.fth0 wrote:AFAICS, the error code means that VirtualBox could not find all certificates needed to verify the code signature(s) of the VMMR0.ro file. If this assumption is correct, there will be at least one intermediate or root certificate that is only available on one of your hosts.
Cannot open a new task for the virtual computer
Re: Cannot open a new task for the virtual computer
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Re: Cannot open a new task for the virtual computer
Thanks, Taque, for the info! This might be pertinent for other topics running right now, I'm putting it in my links.
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Re: Cannot open a new task for the virtual computer
It does indeed, thank you.Taque wrote:Right, I've encountered the same problem and found out that Windows 7 is missing support for SHA256 signing component. So I installed Microsoft update KB3033929, restart the computer and the VM works . Hope that helps.
VBox : 7.0.10
Host: Manjaro Linux
Guest : Windows 7
Host: Manjaro Linux
Guest : Windows 7
Re: Cannot open a new task for the virtual computer
Works perfect, thank you.Taque wrote:Right, I've encountered the same problem and found out that Windows 7 is missing support for SHA256 signing component. So I installed Microsoft update KB3033929, restart the computer and the VM works . Hope that helps.fth0 wrote:AFAICS, the error code means that VirtualBox could not find all certificates needed to verify the code signature(s) of the VMMR0.ro file. If this assumption is correct, there will be at least one intermediate or root certificate that is only available on one of your hosts.