I have same problem. When I try to run synaptiks from kde: kdeinit could not launch usr/bin/synaptiks
When I try to run synaptiks from console: segmentation error. -- System Information: Debian Release: jessie Architecture: amd64 Package: kde-config-touchpad version: 0.8.1-2 Kernel: Linux debian-nb 3.10-3-amd64 #1 SMP Debian 3.10.11-1 (2013-09-10) x86_64 GNU/Linux Versions of packages kde-config-touchpad depends on: ii libxi6 2:1.7.2-1 ii python 2.7.5-5 ii python-kde4 4:4.10.5-1+b1 ii python-pkg-resources 0.6.49-2 ii python-pyudev 0.16.1-2 ii python-qt4 4.10.3-2 Versions of packages kde-config-touchpad recommends: ii libxtst6 2:1.2.2-1 ii python-dbus 1.2.0-2+b1 ii upower 0.9.23-2