id summary reporter owner description type status component version resolution keywords cc guest host 4743 VirtualBox 3.04, guest OS Windows 2003, reboot always Blue Screen AntiMatter "VirtualBox 3.04 Host: Windows XP SP3 Guest: Windows 2003 x32, Guest Additions 3.04 installed VM was working OK under VirtualBox 2.24. After upgrade to 3.04, the VM always blue screen on reboot, either a simple reboot (Start VM, log in, and Start Menu again and select Restart). Or a restart prompted by Windows after a system or software update. All Warm Reboots end up by a blue screen. The first line say ""A problem has been detected and WIndows has shutdown to prevent dammage to your computer"": http://tinypic.com/view.php?pic=21n0aog&s=3 If the VM is powered off, no more blue screen, Windows can start normally and login is successful. " defect closed other VirtualBox 3.0.4 duplicate other other