id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 10658,GM(VERR_VMX_IN_VMX_ROOT_MODE) on boot,AbhishekR,,"I am using Windows 7 host and 3 guest VMs - one Ubuntu 11.10 x86, and two Ubuntu amd64 VMs. Yesterday morning I found a message saying a critical error happened on one of the Ubuntu amd64 VMs. After that, I was not able to open any of the three VMs (it shows that critical error message). I was using VBox 4.1.10. I upgraded to VBox 4.1.16 to see if the issue goes away. After that, Ubuntu 11.10 x86 VM is working. But the other two amd64 VMs are still giving the same error or blank display during boot. I have attached the Vbox.log for the error display as well as the blank screen boot up. I have some research data that I wish to retrieve from these guest systems, please help.",defect,closed,other,VirtualBox 4.1.16,obsolete,,,Linux,Windows