spawn error

var spawn = require('child_process').spawn;
var Run = require('./Run');

module.exports = {
    Tool: function(tool, args) {
        try {

            console.log("Tool ("+tool+") spawn: " + tool + " " + args.split(" ").toString());

            var proc = spawn('tools\\' +tool, args.split(" "));

            proc.stdout.on('data', function (data) {
                console.log("Tool ("+tool+") : " + data);
            });

            proc.stderr.on('data', function (data) {
                console.log("Tool ("+tool+") error: " + data);
            });

            proc.on('close', function (code) {
                console.log("Tool ("+tool+") exit: " + code);
            });
        } catch (e) {
            console.log("Tool ("+tool+") fatal: " + code);
        }
    }
};

Output
###################################################################

Tool (MediaInfo.exe) spawn: MediaInfo.exe --Version
Tool (MediaInfo.exe) : MediaInfo Command line, 
MediaInfoLib - v0.7.72


events.js:72
        throw er; // Unhandled 'error' event
              ^
Error: spawn OK
    at errnoException (child_process.js:1011:11)
    at Process.ChildProcess._handle.onexit (child_process.js:802:34)

Process finished with exit code 8