Running Ubuntu 12. 04. Installed both "VirtualBox" and "X86 virtualization solution - base binaries". I downloaded a newer version of Virtual Box, specifically "virtualbox-4.3_4.3.6-91406~Ubuntu~precise_i386.deb", from the downloads page.
When I try to install this by right clicking on the file, and selecting "Open with Ubuntu Software Center", the Software Center opens with the error:
Conflicts with the installed package virtualbox-guest-additions-iso
Having previously installed GDebi, I can also right click that same file and select "Open with GDebi package installer", and that process results in the exact same error message.
Since the package
virtualbox-guest-additions-iso is a part of "X86 virtualization solution - base binaries", I've used the Software Center to uninstall the entire package, which also uninstalls "VirtualBox". After that process, any subsequent attempt to install
virtualbox-4.3_4.3.6-91406~Ubuntu~precise_i386.deb results in the same error message. And if I search for just
virtualbox-guest-additions-iso in the Software Center, it finds it and offers the option to "Re-install" it, but not to remove it.
Why? And how should I proceed?
I'm sure I've done things in my Ubuntu installation that have deviated from the default install. But I've REALLY tried to keep that to a minimum.