id summary reporter owner description type status component version resolution keywords cc guest host 8906 Virtual Machine inaccessible after upgrading to latest VBox and guest additions Dave Durgee "I run several versions of Windows in Virtual Box here. After the new release installed I first booted W7 and updated the guest additions. I next booted XP and updated the guest additions. After shutting XP down that VM now shows as ""Inaccessible"", but I can read the machine profile fine using MC." defect closed other VirtualBox 4.0.8 obsolete Windows other