vbox error on install

Selecting previously unselected package virtualbox-4.3.
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Preparing to unpack .../virtualbox-4.3_4.3.16-95972~Ubuntu~raring_amd64.deb ...
Use of uninitialized value $_[1] in join or string at /usr/share/perl5/Debconf/DbDriver/Stack.pm line 111, <GEN0> line 9.
Use of uninitialized value $val in substitution (s///) at /usr/share/perl5/Debconf/Format/822.pm line 83, <GEN2> line 5.
Use of uninitialized value $val in concatenation (.) or string at /usr/share/perl5/Debconf/Format/822.pm line 84, <GEN2> line 5.
dpkg: error processing archive /home/andy/Downloads/virtualbox-4.3_4.3.16-95972~Ubuntu~raring_amd64.deb (--install):
 subprocess new pre-installation script returned error exit status 1
Errors were encountered while processing: