here are the info
yes there is recent changes occur as i reinstalled windows this issue occur after the reinstallation of windows
And i think there is any software for focaltech,s multi guestures cause in pre installed window i'd seen a focaltech software which assist in multitouch
And already tried settings but nothing happens i already tried microsoft precision drivers for touchpad but thal also did'nt work for me
by the way roll back also didnt seems to work