Very weird problem with touchpad...

[Gökhan Can 0]

After security update 002-2015 installed, there is a problem with touchpad. İ'm using Lenovo Y550. Everything works fine until i touch the touchpad. i tried to delete and reinstall kexts/tried different kexts but nothing work. here is the video:

https://www.dropbox.com/s/hulcacen11plwpp/touchpad%20problem.mp4?dl=0