Advantech TPC-1260 - Manual (Page 66)

5 8 TPC-1260 User's Manual
Step 4: In the sub-category of "Mice and other pointing devices"
there is a exclamation mark appearing at the beginning of the line of
touchscreen. Move the cursor to this line "TouchScreen - PS/2 Mouse
[R411.PS2] and press right button of the mouse. Choose "Uninstall".
Figure C-3 Uninstall the driver