Thank You for help, but I have just managed to repair this. Following instructions on some forum I deleted /var/lib/dpkg/info/flashplugin-installer.prerm which allowed me to remove flashplugin-installer package completly and then install it again without any problems.
Thank You for help, but I have just managed to repair this. Following instructions on some forum I deleted /var/lib/ dpkg/info/ flashplugin- installer. prerm which allowed me to remove flashplugin- installer package completly and then install it again without any problems.