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Upgrading lion and loosing Virtual Box

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linux-howto

http://askubuntu.com – My virtual box is not working since I have upgraded my lion OS. VT-x is being used by another hypervisor. (VERR_VMX_IN_VMX_ROOT_MODE). VirtualBox can't operate in VMX root mode. Please close all other virtualization programs. (VERR_VMX_IN_VMX_ROOT_MODE). So I found a forum thread here : https://www.virtualbox.org/ticket/10965, and the solution seems to install again the virtual box again. So now, how can I migrate all the content of my ubuntu I used to ran in the VB ? (HowTos)