Open C:\Program Files\Synaptics\SynTP\TP4scroll.dat and TP4table.dat with Administrator privilege.

Add these lines after mstsc.exe

; iTunes
*,*,iTunes.exe,*,*,*,WheelStd,0,9

; VirtualBox
*,*,VirtualBox.exe,*,*,*,WheelStd,0,9

Kill all processes started with “SynTP…exe”. (Should be “SynTPEnh.exe”, “SynTPHelper.exe” and “SynTPLpr.exe”). Then run SynTPEnh.exe.

Or simply logoff and login again.