id summary reporter owner description type status component version resolution keywords cc guest host 10826 virtualbox getting blown away after host restart AB "Running Windows 7 Ultimate, 64-bit. VirtualBox 4.1.18 r79361 I have now experienced this extremely serious problem twice now, once with the current version and once with the previous version. I had a Linux guest running, and I restarted Windows 7. VirtualBox brought up the ""Shutdown"" menu and I selected to ""Power Off Machine"". After I restart Windows, VirtualBox now says ""Inaccessible"" - the .vbox file is just gone. Total data loss. Not good. " defect closed other VirtualBox 4.1.18 obsolete Linux Windows