id summary reporter owner description type status component version resolution keywords cc guest host 6691 Can't install guest additions on WinXP guest Deaphil "It's telling me:[[BR]] Installing video driver ...[[BR]] Installing driver ...[[BR]] HardwareID: PCI\VEN_80EE&DEV_BEEF&SUBSYS_00000000&REV_00[[BR]] Device class name: Display[[BR]] Could not retrieve device class GUID! Error: -536870365[[BR]] ERROR: Could not install files for Windows 2000 / XP / Vista! Installation aborted.[[BR]][[BR]] My host is Windows 7 x64" defect closed guest additions VirtualBox 3.1.8 obsolete guest additions win xp guest Windows Windows