>...that I can recall of ever hearing of a problem of this>nature (closing other apps windows).
hwnd = FindWindow("POV-Ray for Windows", NULL);
SendMessage(hwnd, WM_CLOSE, 0, 0);
Friedemann Schmidt
F.S### [at] fhtw-berlinde
Raytracing-Gallery: http://www.rz.fhtw-berlin.de/~s0049669/