Share screen has been disabled since I installed it from Software Manager in Linux MInt 17 -Qiana
My boss also does not have this ability in Ubuntu 14.x (pretty certain he runs latest LTS).

Skype "support" is useless saying wait for the next release but doesn't specify when that is.

I've tried everything, literally.
New user, "new" .config, "new" .Skype, additional groups, Disabling Skype Video (I have no webcam).

Not sure it''ll help you help me but here's an ldd on the binary:
Code:
ldd /usr/bin/skype
    linux-gate.so.1 =>  (0xf76fa000)
    libXv.so.1 => /usr/lib/i386-linux-gnu/libXv.so.1 (0xf5458000)
    libXss.so.1 => /usr/lib/i386-linux-gnu/libXss.so.1 (0xf5454000)
    librt.so.1 => /lib/i386-linux-gnu/librt.so.1 (0xf544a000)
    libdl.so.2 => /lib/i386-linux-gnu/libdl.so.2 (0xf5445000)
    libX11.so.6 => /usr/lib/i386-linux-gnu/libX11.so.6 (0xf5311000)
    libXext.so.6 => /usr/lib/i386-linux-gnu/libXext.so.6 (0xf52fe000)
    libQtDBus.so.4 => /usr/lib/i386-linux-gnu/libQtDBus.so.4 (0xf5281000)
    libQtWebKit.so.4 => /usr/lib/i386-linux-gnu/libQtWebKit.so.4 (0xf317b000)
    libQtXml.so.4 => /usr/lib/i386-linux-gnu/libQtXml.so.4 (0xf3138000)
    libQtGui.so.4 => /usr/lib/i386-linux-gnu/libQtGui.so.4 (0xf2684000)
    libQtNetwork.so.4 => /usr/lib/i386-linux-gnu/libQtNetwork.so.4 (0xf253d000)
    libQtCore.so.4 => /usr/lib/i386-linux-gnu/libQtCore.so.4 (0xf2255000)
    libpthread.so.0 => /lib/i386-linux-gnu/libpthread.so.0 (0xf2238000)
    libstdc++.so.6 => /usr/lib/i386-linux-gnu/libstdc++.so.6 (0xf214f000)
    libm.so.6 => /lib/i386-linux-gnu/libm.so.6 (0xf2109000)
    libgcc_s.so.1 => /lib/i386-linux-gnu/libgcc_s.so.1 (0xf20ec000)
    libc.so.6 => /lib/i386-linux-gnu/libc.so.6 (0xf1f3c000)
    /lib/ld-linux.so.2 (0xf76fb000)
    libxcb.so.1 => /usr/lib/i386-linux-gnu/libxcb.so.1 (0xf1f19000)
    libdbus-1.so.3 => /lib/i386-linux-gnu/libdbus-1.so.3 (0xf1ece000)
    libz.so.1 => /lib/i386-linux-gnu/libz.so.1 (0xf1eb4000)
    libXrender.so.1 => /usr/lib/i386-linux-gnu/libXrender.so.1 (0xf1ea9000)
    libjpeg.so.8 => /usr/lib/i386-linux-gnu/libjpeg.so.8 (0xf1e4e000)
    libpng12.so.0 => /lib/i386-linux-gnu/libpng12.so.0 (0xf1e25000)
    libxslt.so.1 => /usr/lib/i386-linux-gnu/libxslt.so.1 (0xf1de7000)
    libxml2.so.2 => /usr/lib/i386-linux-gnu/libxml2.so.2 (0xf1c8d000)
    libgstapp-1.0.so.0 => /usr/lib/i386-linux-gnu/libgstapp-1.0.so.0 (0xf1c7f000)
    libgstpbutils-1.0.so.0 => /usr/lib/i386-linux-gnu/libgstpbutils-1.0.so.0 (0xf1c5a000)
    libgstvideo-1.0.so.0 => /usr/lib/i386-linux-gnu/libgstvideo-1.0.so.0 (0xf1c11000)
    libgstaudio-1.0.so.0 => /usr/lib/i386-linux-gnu/libgstaudio-1.0.so.0 (0xf1bbf000)
    libgstbase-1.0.so.0 => /usr/lib/i386-linux-gnu/libgstbase-1.0.so.0 (0xf1b5b000)
    libgstreamer-1.0.so.0 => /usr/lib/i386-linux-gnu/libgstreamer-1.0.so.0 (0xf1a58000)
    libgobject-2.0.so.0 => /usr/lib/i386-linux-gnu/libgobject-2.0.so.0 (0xf1a06000)
    libglib-2.0.so.0 => /lib/i386-linux-gnu/libglib-2.0.so.0 (0xf18f9000)
    libsqlite3.so.0 => /usr/lib/i386-linux-gnu/libsqlite3.so.0 (0xf183c000)
    libfontconfig.so.1 => /usr/lib/i386-linux-gnu/libfontconfig.so.1 (0xf1801000)
    libQtOpenGL.so.4 => /usr/lib/i386-linux-gnu/libQtOpenGL.so.4 (0xf1705000)
    libGL.so.1 => /usr/lib32/nvidia-331/libGL.so.1 (0xf1601000)
    libaudio.so.2 => /usr/lib/i386-linux-gnu/libaudio.so.2 (0xf15e6000)
    libfreetype.so.6 => /usr/lib/i386-linux-gnu/libfreetype.so.6 (0xf1546000)
    libSM.so.6 => /usr/lib/i386-linux-gnu/libSM.so.6 (0xf153d000)
    libICE.so.6 => /usr/lib/i386-linux-gnu/libICE.so.6 (0xf1523000)
    libXi.so.6 => /usr/lib/i386-linux-gnu/libXi.so.6 (0xf1512000)
    libXau.so.6 => /usr/lib/i386-linux-gnu/libXau.so.6 (0xf150d000)
    libXdmcp.so.6 => /usr/lib/i386-linux-gnu/libXdmcp.so.6 (0xf1506000)
    liblzma.so.5 => /lib/i386-linux-gnu/liblzma.so.5 (0xf14e0000)
    liborc-0.4.so.0 => /usr/lib/i386-linux-gnu/liborc-0.4.so.0 (0xf1450000)
    libgsttag-1.0.so.0 => /usr/lib/i386-linux-gnu/libgsttag-1.0.so.0 (0xf1418000)
    libgmodule-2.0.so.0 => /usr/lib/i386-linux-gnu/libgmodule-2.0.so.0 (0xf1412000)
    libffi.so.6 => /usr/lib/i386-linux-gnu/libffi.so.6 (0xf140b000)
    libpcre.so.3 => /lib/i386-linux-gnu/libpcre.so.3 (0xf13cd000)
    libexpat.so.1 => /lib/i386-linux-gnu/libexpat.so.1 (0xf13a4000)
    libnvidia-tls.so.331.38 => /usr/lib32/nvidia-331/tls/libnvidia-tls.so.331.38 (0xf139f000)
    libnvidia-glcore.so.331.38 => /usr/lib32/nvidia-331/libnvidia-glcore.so.331.38 (0xef15b000)
    libXt.so.6 => /usr/lib/i386-linux-gnu/libXt.so.6 (0xef0ff000)
    libuuid.so.1 => /lib/i386-linux-gnu/libuuid.so.1 (0xef0f9000)
Downloaded skype-ubuntu-precise_4.3.0.37-1_i386.deb from their website.

apt-cache show...
Code:
Package: skype
Priority: extra
Section: net
Installed-Size: 61
Maintainer: Steve Langasek <steve.langasek@canonical.com>
Architecture: amd64
Version: 4.3.0.37-0ubuntu0.12.04.1
Depends: skype-bin
Filename: pool/partner/s/skype/skype_4.3.0.37-0ubuntu0.12.04.1_amd64.deb
Size: 16054
MD5sum: 61d508cabddd6d9ef7bc9967eb4bb2ed
SHA1: 590099bbcc9c486cf92b035d534fab0b062edd4e
SHA256: 590e13cf75d75cd94ddc33af179588654b5c7c0933b585e5e118e07143c96748
Description: client for Skype VOIP and instant messaging service
 Skype is software that enables the world's conversations.  Millions of
 individuals and businesses use Skype to make free video and voice calls,
 send instant messages and share files with other Skype users.  Every day,
 people also use Skype to make low-cost calls to landlines and mobiles.
 .
 * Make free Skype-to-Skype calls to anyone else, anywhere in the world.
 * Call to landlines and mobiles at great rates.
 * Group chat with up to 200 people or conference call with up to 25 others.
 * Free to download.
Description-md5: a398bc8cee97c4027d64bae3fa223f58
Thanks.