As Oracle continues to digest and dissect the virtualization acquisitions that it’s made, it’s clear that VirtualBox has now officially escaped the chopping block Oracle has continued to develop and ...

Windows/Mac/Linux: Free virtualization tool VirtualBox, technically Oracle VM VirtualBox now, has quietly added "experimental support for Mac OS X guests" to a beta release. That's good news—at least ...

Oracle has announced the general availability of version 4.0 of the Oracle VM VirtualBox free open source virtualization platform. The announcement comes only three weeks after the company debuted the ...

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 ...