.486 .model flat, stdcall option casemap :none include \masm32\include\windows.inc include \masm32\include\masm32.inc include \masm32\include\gdi32.inc include \masm32\include\user32.inc include \masm32\include\kernel32.inc include \masm32\include\Comctl32.inc include \masm32\include\comdlg32.inc include \masm32\include\shell32.inc include \masm32\include\oleaut32.inc includelib \masm32\lib\masm32.lib includelib \masm32\lib\gdi32.lib includelib \masm32\lib\user32.lib includelib \masm32\lib\kernel32.lib includelib \masm32\lib\Comctl32.lib includelib \masm32\lib\comdlg32.lib includelib \masm32\lib\shell32.lib includelib \masm32\lib\oleaut32.lib .data .code start: invoke MessageBox,0,0,0,0 invoke ExitProcess,0 end start