My windows tablet with dosbox had erros. "SDL: DirectInputDevice::SetDataFormat: Invalid parameters" Solution-1 download vcredist_x86.exe file and install Solution-2 download and install Touch Enabled SDL. ==> SDL.dll Reference: http://www.ppomppu.co.kr/ zboard/view.php?id=wintab&no= 11258 http://zhengxu.tistory.com/276