Reverse logic

src/freedombone-image-customise

         chmod +x /home/$MY_USERNAME/Desktop/tox.desktop
         chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/Desktop/tox.desktop
     fi
-    if [ ! -f /home/$MY_USERNAME/Desktop/social.desktop ]; then
+    if [ -f /home/$MY_USERNAME/Desktop/social.desktop ]; then
         sed -i 's|Name=.*|Name=Social|g' /home/$MY_USERNAME/Desktop/social.desktop
     fi
 else