Problem $ node recognize.js listenListening, press Ctrl+C to stop.events.js:141 throw er; // Unhandled 'error' event ^ Error: spawn rec ENOENT at exports._errnoException (util.js:874:11) at Process.ChildProcess._handle.onexit (internal/child_process.js:178:32) at onErrorNT (internal/child_process.js:344:16) at doNTCallback2 (node.js:439:9) at process._tickCallback (node.js:353:17) at Function.Mo..