After I installed Ubuntu 12.04 got some issues with my touchpad.
I reported the problem and finally today a guy replied here - https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/992330
It seems that the solution was good because I edited HorizHysteresis and VertHysteresis using synclient:
synclient VertHysteresis=48 and
To see if they were really edited I run into terminal
synclient and just seen there the values I added. Everything is running perfectly till now. But after I restarted Ubuntu the values are gone and rolled back to default.
A guy told me to edit the xorg.conf file but there is no xorg.conf file in etc/X11.
Thanks and hope someone can give me a good solution.