To apply the workaround: 1. Download and run this script: http://people.debian.org/~bartm/flashplugin-nonfree/ia32-libs-workaround-499043-lenny.sh 2. dpkg -i ia32-libs-workaround-499043_0.0.1+lenny1_amd64.deb To remove the workaround: 1. apt-get remove ia32-libs-workaround-499043