id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 12857,critical error installing ubuntu,AndAMI,,"Hi! Installing Ubuntu 13.04 on a XP host it's shown a windows ""Guru meditation"" with the following line ""A critical error has occurred during operation of the machine and the execution of the machine was stopped"" Attached the Vbox.log"". Could you help me? Thanks ",defect,closed,VM control,VirtualBox 4.3.8,worksforme,"critical error, guru meditation",,Linux,Windows