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I'm trying to install Virtualbox 4.1 from the .run file since Pacman had the 4.0 version only. But when I try installing the file using sh filelocation/filename.run, it gives me the following error-

Please install the build and header files for your current Linux kernel. The current kernel version is 2.6.38-ARCH

Is something broken in the kernel, or do I need to install something?

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up vote 5 down vote accepted

You need the "kernel26-headers" package installed so VirtualBox can compile it's accompanying modules

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I installed it using pacman, but it still shows the error. It's written "Please install the build..." so do I also need to build it, or do I just need to reboot? – Samrat Man Singh Jul 31 '11 at 13:44
Try running "/etc/rc.d/vboxdrv setup" to build the modules – katriel Jul 31 '11 at 15:19

The current version in the repositories is 4.1.0-2.1: your mirrors are not up-to-date.

Choose a properly synched mirror, and pacman -Syy && pacman -Syu

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