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I'm installing Ubuntu 12.10 in a virtual machine using Virtualbox with Windows 7 as the host OS.

One of the steps is to follow the regular installation procedure, but then I encountered a problem that says that there is no current OS in my computer. The choices that I have are to erase disk or to create a partition. I'm not sure what to do next.

A screenshot of the installation step concerned is below:

enter image description here

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A screenshot would help here. – Bruno Pereira Dec 30 '12 at 16:46
I'm really sorry to ask you this.. I already have the picture but I really don't know how to post the image here. May I ask you how? – cabbit Dec 30 '12 at 17:19 and post the link here – Bruno Pereira Dec 30 '12 at 17:21
here's the link: – cabbit Dec 30 '12 at 17:26
up vote 2 down vote accepted

VirtualBox will create a file drive inside your Windows file system that emulates a disk by itself.

It is not (unless specified) using a real hard disk. Since that virtual disk is empty, the Ubuntu installation inside the vbox will give you only the option to initialize and create a new partition.

You should not worry about modifications actually happening to your hard disk, the only thing affected will be the virtual drive you just created when adding a new vbox, it is safe to press next and create new partitions.

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ohh. so it is actually referring to the virtual disk not to the hard disk. ok. thanks for your help. I'm going to proceed with the installation then :) – cabbit Dec 30 '12 at 17:34

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