id summary reporter owner description type status component version resolution keywords cc guest host 9456 FATAL ERROR - instering vboxguest on 2.6.38.8 kernel samiux "I am using Version 4.1.2 and 4.1.0. When the kernel is upgraded to 2.6.38.8, I reinstalled the guest addition and the vboxguest cannot be loaded and produced the following error : FATAL: Error inserting vboxguest (/lib/modules/2.6.38.8/misc/vboxguest.ko): Invalid module format " defect closed guest additions VirtualBox 4.1.2 worksforme vboxguest Linux Linux