If you find yourself with a mismatched VirtualBox and VirtualBox Extension Pack release, such that VirtualBox itself cannot resolve, Jack Wallen shows you how to fix this from the command line.
We have observed that when attempting to run a VirtualBox image in Oracle VirtualBox, an error appears stating that VirtualBox is not signed with a build certificate ...
It is the first thing you need to fix the issue as stated above. For that, you need to run the virtual machine showing the error and go to the Devices > Install Guest ...
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