Yes I've got it installed into Virtualbox 4 and VMWare Wkst 7 on several machines (Ubuntu Hosts) with no problems.

Does the live version run OK?
How much disk space and memory did you allocate?
I've been giving mine 1GB Ram and 15GB HDD.

Regards
Keith

On Thu, 05/12/2011 01:06 PM, James <p3nndrag0n@gmail.com> wrote:
> Hi guys
> 
> I've been trying to install backtrack 5 which is based on ubuntu 10.04 in 
> virtualbox on ubuntu 10.04. It hangs at 99% no matter what I do. Anyone 
> have it running in virtualbox? Any ideas? Will supply whatever info is 
> needed
> 
> James
> 
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