I have the same problem but uninstall, reinstall and reboot did not resolve the problem.
Ubuntu 10.04 VirtualBox version : 3.1.6_OSE r59338 $ uname -r 2.6.32-24-generic $ ls -l /lib/modules/2.6.32-24-generic/updates/dkms/ total 488 -rw-r--r-- 1 root root 213764 2010-09-22 08:44 vboxdrv.ko -rw-r--r-- 1 root root 179372 2010-09-22 08:15 vboxguest.ko -rw-r--r-- 1 root root 11532 2010-09-22 08:44 vboxnetadp.ko -rw-r--r-- 1 root root 23204 2010-09-22 08:44 vboxnetflt.ko -rw-r--r-- 1 root root 48576 2010-09-22 08:15 vboxvfs.ko -rw-r--r-- 1 root root 4760 2010-09-22 08:15 vboxvideo.ko $ sudo modprobe vboxnetflt FATAL: Error inserting vboxnetflt (/lib/modules/2.6.32-24-generic/updates/dkms/vboxnetflt.ko): Invalid module format -- Failed to open/create the internal netword HostInterfaceNetworking-eth0 https://bugs.launchpad.net/bugs/644242 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
