i tried this and this works start "first VLC" "C:\Program Files (x86)\VideoLAN\VLC\vlc.exe" filename1.mp4 --no-qt-fs-controller --qt-start-minimized --qt-fullscreen-screennumber=1 --video-x=0 --video-y=0 --no-embedded-video --fullscreen --video-on-top --no-video-title-show start ...