Dear list, I have the following sample (slightly modified version taken from java-imp-vplayer.mkiv): \starttext \startTEXpage[offset=3em] \useJSscripts[vplayer] \setupinteraction [state=start] \externalfigure [shockwave] [frame=on, width=240pt, height=135pt, file=bathtub.mp4, label=foo] \goto{START} [JS(StartShockwave{foo})] \goto{REWIND}[JS(RewindShockwave{foo})] \goto{PAUSE} [JS(PauseShockwave{foo})] \goto{STOP} [JS(StopShockwave{foo})] \stopTEXpage \stoptext In Linux, it is compiled fine with LMTX (beta version from 2019.10.11 15:47). Using beta from 2019.10.10 in Windows, LMTX doesn’t find vplayer9.swf (https://mirrors.ctan.org/macros/latex/contrib/media9/players/VPlayer9.swf), altough it is in the same directory as the ConTeXt source file being compiled. Does anyone know what I might be missing? Could anyone confirm this issue? Many thanks for your help, Pablo -- http://www.ousia.tk