query: I can't start any virtual machine in virtualbox
positive_passages.docid: 16069
positive_passages.text: virtualbox NS_ERROR_FAILURE (0x80004005)
negative_passages.docid: 77888
negative_passages.text: How to add a display mode to a VirtualBox VM?
negative_passages.docid: 87452
negative_passages.text: Hyper-V reports that the hypervisor is not running. How to start the hypervisor?
negative_passages.docid: 38928
negative_passages.text: How do I enable hardware virtualization technology (VT-x) for use in Virtualbox?
negative_passages.docid: 34105
negative_passages.text: Unable to start VMWare Workstation after upgrade to 13.04
negative_passages.docid: 62018
negative_passages.text: After upgrade of Virtual Box, kernel sources are missing
negative_passages.docid: 92190
negative_passages.text: Error code 0x803F7001 activating Windows inside Virtual Box
negative_passages.docid: 120129
negative_passages.text: How to boot from a USB drive in VirtualBox?
negative_passages.docid: 56866
negative_passages.text: VirtualBox '/etc/init.d/vboxdrv setup' issue
negative_passages.docid: 84571
negative_passages.text: How to run VMWare ESX or ESXi in a virtual machine?
negative_passages.docid: 143426
negative_passages.text: How to Install Virtualbox on Windows 10 host?
negative_passages.docid: 98379
negative_passages.text: Why can't I chown a VirtualBox shared folder?
negative_passages.docid: 31145
negative_passages.text: How to install Windows 7 inside Virtualbox of Ubuntu?
negative_passages.docid: 86992
negative_passages.text: Resizing virtualbox vdi doesn't work
negative_passages.docid: 122373
negative_passages.text: VirtualBox 4.3 on Ubuntu 13.10 unable to run VM
negative_passages.docid: 110480
negative_passages.text: Virtualbox does not run: NS_ERROR_FAILURE
negative_passages.docid: 63974
negative_passages.text: How to fix 'modprobe vboxdrv' error in virtualBox?