Hi, just wrote a quick fix. Could someone with access to MSVC test, if this works? http://peter.schlaile.de/blender/sequencer/frameserver.diff (or alternatively as dropin replacement: http://peter.schlaile.de/blender/sequencer/writeframeserver.c ) Greetings, Peter ---- Peter Schlaile <peter at schlaile.de> [Telefon: 0721 - 130277]