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I want to install Ubuntu as guest OS on Win7 on Virtualbox. When i try to designate my USB drive as the host drive for installation purposes, it gives me this error:

Result Code: VBOX_E_IPRT_ERROR (0x80BB0005) Component: Medium Interface: IMedium {29989373-b111-4654-8493-2e1176cba890} Callee: IVirtualBox {3b2f08eb-b810-4715-bee0-bb06b9880ad2} Callee RC: VBOX_E_OBJECT_NOT_FOUND (0x80BB0001)

Unetbootin won't let me make a CD disc to boot from so i'm left with my USB drive which has the ISO on it. Thx in advance for any assistance.

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Virtual Box does not allow booting from USB. To install Ubuntu you need to directly mount the downloaded Ubuntu .iso file as a virtual CD drive in Virtual Box Manager. There is no need to make a bootable USB drive.

Also see:

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Thx, that was what i had to do. It worked. – Capitalism Prevails Aug 28 '13 at 15:57
@CapitalismPrevails If this answered your question, you may mark this answer as accepted, by clicking the green check mark next to it. That will indicate that your problem is solved. – Radu Rădeanu Sep 16 '13 at 14:46

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