Touch screen not working properly

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http://askubuntu.com – I really hope that this time I get an answer I have a problem with my Acer V5 touch, my touch screen is not working properly, when I touch it, it only recognice de click,, but do not recognice when I stopet touching it. Is like if the touch screen "think" that my finger is still in contact with in. Any solution? (I also want gestures for my clickpad on gnome shell) (HowTos)