I had a similar issue on lubuntu 12.04 while trying to install "ttf-mscorefonts-installer": it hangs for a while after
"ttf-mscorefonts-installer: downloading http://downloads.sourceforge.net/corefonts/andale32.exe"
and then it ended giving the same error reported here, with the only difference that in mine it put "ttf-mscorefonts-installer" in place of "flashplugin-installer".
I successfully solved the issue by installing "libgtk2-perl".
I had a similar issue on lubuntu 12.04 while trying to install "ttf-mscorefont s-installer" : it hangs for a while after s-installer: downloading http:// downloads. sourceforge. net/corefonts/ andale32. exe" s-installer" in place of "flashplugin- installer" .
"ttf-mscorefont
and then it ended giving the same error reported here, with the only difference that in mine it put "ttf-mscorefont
I successfully solved the issue by installing "libgtk2-perl".