start command misinterprets [parameters] if no "title" param start /? START ["title"] [/Dpath] [/I] [/MIN] [/MAX] [/SEPARATE | /SHARED] [/LOW | /NORMAL | /HIGH | /REALTIME | /ABOVENORMAL | /BELOWNORMAL] [/WAIT] [/B] [command/program] [parameters] start "c:\program files\mything.exe" /foo="for my thing" error start "mystupidwindowtitle" "c:\program files\mything.exe" /foo="for my thing" foo="for my thing" passed correctly, mything starts.