http://bugs.winehq.org/show_bug.cgi?id=59986 --- Comment #7 from TOM <l12436.tw@gmail.com> --- From my currently knowing from log. 0194:trace:win:accum_mouse_motion Keeping pos (0,0), flags 0, data 0, time 0 (1 raw frames) 0194:trace:win:send_mouse_motion Sending pos (0,0), flags 0, data 0, time 0 (1 raw frames) there are lots of this kind of all zero motion. and due to send_mouse_motion only allow input.mi.dwFlags or input.mi.mouseData not zero to send data. so when it accumulate to 63 frame/64 frame, it will buffer overflow to 67 which is some how input.mi.dwFlags/input.mi.mouseData is not zero, and send data. and might due to buffer overflow, it will send error data and causing mouse button clicked event when I did not click it -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.