id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 10595,"After Update from 4.0.16 to 4.1.16: ""Cannot access the kernel driver"" Message",Arend99,,"Exactly the same problem and solution as described here: [https://forums.virtualbox.org/viewtopic.php?f=6&t=46845] ""It seems at least on my system two device drivers are not installed by the installation program. After a manual installation of these drivers everything works again. Go to C:\Program Files\Oracle\VirtualBox\drivers\USB\filter Select VBoxUSBMon.inf and click the right mouse button. Then pick Install. Go to C:\Program Files\Oracle\VirtualBox\drivers\vboxdrv Select VBoxDrv.inf and click the right mouse button. Then pick install. VirtualBox should now work again as expected."" If you could please fix this update problem. Thanks",defect,closed,installer,VirtualBox 4.1.16,obsolete,Failed update,,other,Windows