id summary reporter owner description type status component version resolution keywords cc guest host 6610 USB Host drivers not loading on Windows 7 64bit Justin Treon "The USB host drivers for Windows 7 64bit do not load although the .sys files are installed. Other drivers such as the networking are listed under the device manager and work properly. It is unclear if this is a result of Windows 7 64bit or that the Lenovo W510 I am using has USB 3.0. As a result of this they guest system is unable to access the USB devices. What should I do to further debug the problem? (i.e. for loading of the USB drivers)" defect closed USB VirtualBox 3.1.6 obsolete Driver Linux Windows