Update Oracle VM VirtualBox Fails, Ubuntu 12.04

I am trying to update Oracle VM VirtualBox from version 4.2.22 to 4.3.4.3.8.

I am using ubuntu 12.04.4 LTS.

I am getting this attached "Breaks existing package' error, opening downloaded install file
with Ubuntu Software Center.

It is important that I don't lose my existing installed virtual machines.

How should I do the upgrade? How should I do installing the extension pack?
VirtualBox1.png
VirtualBox2.png
AttilaBAsked:
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Michael WorshamStaff Infrastructure ArchitectCommented:
Are you running into a similar issue as this one...

Virtualbox 4.3 upgrade error on ubuntu 13.04
http://askubuntu.com/questions/392592/virtualbox-4-3-upgrade-error-on-ubuntu-13-04
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AttilaBAuthor Commented:
The first half worked perfectly: removing from the command prompt, as indicated
in the linked page.

Then I had to download and install it the usual way by double-clicking on the *.deb
file and installing from Ubuntu Software Center.

i am using Ubuntu 12.04.4 LTS, not 13 still worked, eventually.
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