diff --git a/src/components/Header.react.js b/src/components/Header.react.js
index e69c14ea80..d56ec9a7b8 100644
--- a/src/components/Header.react.js
+++ b/src/components/Header.react.js
@@ -2,7 +2,6 @@ import React from 'react/addons';
 import remote from 'remote';
 import RetinaImage from 'react-retina-image';
 import ipc from 'ipc';
-var autoUpdater = remote.require('auto-updater');
 import util from '../utils/Util';
 import metrics from '../utils/MetricsUtil';
 var Menu = remote.require('menu');
@@ -32,7 +31,6 @@ var Header = React.createClass({
         updateAvailable: true
       });
     });
-    autoUpdater.checkForUpdates();
   },
   componentWillUnmount: function () {
     document.removeEventListener('keyup', this.handleDocumentKeyUp, false);
diff --git a/src/utils/DockerMachineUtil.js b/src/utils/DockerMachineUtil.js
index fa22e37eab..d3d462ecbc 100644
--- a/src/utils/DockerMachineUtil.js
+++ b/src/utils/DockerMachineUtil.js
@@ -22,7 +22,7 @@ var DockerMachine = {
     return fs.existsSync(this.command());
   },
   version: function () {
-    return util.exec([this.command(), '-v']).then(stdout => {
+    return util.execFile([this.command(), '-v']).then(stdout => {
       try {
         var matchlist = stdout.match(/(\d+\.\d+\.\d+).*/);
         if (!matchlist || matchlist.length < 2) {
@@ -57,40 +57,40 @@ var DockerMachine = {
     });
   },
   create: function (machineName = this.name()) {
-    return util.exec([this.command(), '-D', 'create', '-d', 'virtualbox', '--virtualbox-memory', '2048', machineName]);
+    return util.execFile([this.command(), '-D', 'create', '-d', 'virtualbox', '--virtualbox-memory', '2048', machineName]);
   },
   start: function (machineName = this.name()) {
-    return util.exec([this.command(), '-D', 'start', machineName]);
+    return util.execFile([this.command(), '-D', 'start', machineName]);
   },
   stop: function (machineName = this.name()) {
-    return util.exec([this.command(), 'stop', machineName]);
+    return util.execFile([this.command(), 'stop', machineName]);
   },
   upgrade: function (machineName = this.name()) {
-    return util.exec([this.command(), 'upgrade', machineName]);
+    return util.execFile([this.command(), 'upgrade', machineName]);
   },
   rm: function (machineName = this.name()) {
-    return util.exec([this.command(), 'rm', '-f', machineName]);
+    return util.execFile([this.command(), 'rm', '-f', machineName]);
   },
   ip: function (machineName = this.name()) {
-    return util.exec([this.command(), 'ip', machineName]).then(stdout => {
+    return util.execFile([this.command(), 'ip', machineName]).then(stdout => {
       return Promise.resolve(stdout.trim().replace('\n', ''));
     });
   },
   url: function (machineName = this.name()) {
-    return util.exec([this.command(), 'url', machineName]).then(stdout => {
+    return util.execFile([this.command(), 'url', machineName]).then(stdout => {
       return Promise.resolve(stdout.trim().replace('\n', ''));
     });
   },
   regenerateCerts: function (machineName = this.name()) {
-    return util.exec([this.command(), 'tls-regenerate-certs', '-f', machineName]);
+    return util.execFile([this.command(), 'tls-regenerate-certs', '-f', machineName]);
   },
   status: function (machineName = this.name()) {
-    return util.exec([this.command(), 'status', machineName]).then(stdout => {
+    return util.execFile([this.command(), 'status', machineName]).then(stdout => {
       return Promise.resolve(stdout.trim().replace('\n', ''));
     });
   },
   disk: function (machineName = this.name()) {
-    return util.exec([this.command(), 'ssh', machineName, 'df']).then(stdout => {
+    return util.execFile([this.command(), 'ssh', machineName, 'df']).then(stdout => {
       try {
         var lines = stdout.split('\n');
         var dataline = _.find(lines, function (line) {
@@ -114,7 +114,7 @@ var DockerMachine = {
     });
   },
   memory: function (machineName = this.name()) {
-    return util.exec([this.command(), 'ssh', machineName, 'free -m']).then(stdout => {
+    return util.execFile([this.command(), 'ssh', machineName, 'free -m']).then(stdout => {
       try {
         var lines = stdout.split('\n');
         var dataline = _.find(lines, function (line) {
@@ -155,11 +155,11 @@ var DockerMachine = {
       cmd = cmd || process.env.SHELL;
       var terminal = util.linuxTerminal();
       if (terminal)
-        util.exec(terminal.concat([cmd])).then(() => {});
+        util.execFile(terminal.concat([cmd])).then(() => {});
     } else {
       cmd = cmd || process.env.SHELL;
       this.url(machineName).then(machineUrl => {
-        util.exec([path.join(process.env.RESOURCES_PATH, 'terminal'), `DOCKER_HOST=${machineUrl} DOCKER_CERT_PATH=${path.join(util.home(), '.docker/machine/machines/' + machineName)} DOCKER_TLS_VERIFY=1 ${cmd}`]).then(() => {});
+        util.execFile([path.join(process.env.RESOURCES_PATH, 'terminal'), `DOCKER_HOST=${machineUrl} DOCKER_CERT_PATH=${path.join(util.home(), '.docker/machine/machines/' + machineName)} DOCKER_TLS_VERIFY=1 ${cmd}`]).then(() => {});
       });
     }
   },
diff --git a/src/utils/SetupUtil.js b/src/utils/SetupUtil.js
index e2b794851a..c1d09ad5e2 100644
--- a/src/utils/SetupUtil.js
+++ b/src/utils/SetupUtil.js
@@ -137,9 +137,9 @@ export default {
         let tries = 80, ip = null;
         while (!ip && tries > 0) {
           try {
+            tries -= 1;
             console.log('Trying to fetch machine IP, tries left: ' + tries);
             ip = await machine.ip();
-            tries -= 1;
             await Promise.delay(1000);
           } catch (err) {}
         }
@@ -153,11 +153,12 @@ export default {
         break;
       } catch (error) {
         router.get().transitionTo('setup');
-        metrics.track('Setup Failed', {
+
+        let novtx = error.message.indexOf('This computer doesn\'t have VT-X/AMD-v enabled') !== -1;
+        metrics.track(novtx ? 'Setup Halted' : 'Setup Failed', {
           virtualBoxVersion,
           machineVersion
         });
-        setupServerActions.error({error});
 
         let message = error.message.split('\n');
         let lastLine = message.length > 1 ? message[message.length - 2] : 'Docker Machine encountered an error.';
@@ -170,6 +171,8 @@ export default {
           groupingHash: machineVersion
         }, 'info');
 
+        setupServerActions.error({error: new Error(lastLine)});
+
         this.clearTimers();
         await this.pause();
       }
diff --git a/src/utils/Util.js b/src/utils/Util.js
index 4add73aa43..995e547f33 100644
--- a/src/utils/Util.js
+++ b/src/utils/Util.js
@@ -8,20 +8,20 @@ var dialog = remote.require('dialog');
 var app = remote.require('app');
 
 module.exports = {
-  exec: function (args, options) {
-    options = options || {};
-
-    // Add resources dir to exec path for Windows
-    if (this.isWindows()) {
-      options.env = options.env || {};
-      if (!options.env.PATH) {
-        options.env.PATH = process.env.RESOURCES_PATH + ';' + process.env.PATH;
-      }
-    }
-
+  execFile: function (args, options) {
     return new Promise((resolve, reject) => {
-      var cmd = Array.isArray(args) ? args.join(' ') : args;
-      child_process.exec(cmd, options, (error, stdout, stderr) => {
+      child_process.execFile(args[0], args.slice(1), options, (error, stdout, stderr) => {
+        if (error) {
+          reject(new Error('Encountered an error: ' + error));
+        } else {
+          resolve(stdout);
+        }
+      });
+    });
+  },
+  exec: function (args, options) {
+    return new Promise((resolve, reject) => {
+      child_process.exec(args, options, (error, stdout, stderr) => {
         if (error) {
           reject(new Error('Encountered an error: ' + error));
         } else {
diff --git a/src/utils/VirtualBoxUtil.js b/src/utils/VirtualBoxUtil.js
index 2768eecc11..1d9bae104f 100644
--- a/src/utils/VirtualBoxUtil.js
+++ b/src/utils/VirtualBoxUtil.js
@@ -16,13 +16,16 @@ var VirtualBox = {
     }
   },
   installed: function () {
+    if (util.isWindows() && !process.env.VBOX_INSTALL_PATH && !process.env.VBOX_MSI_INSTALL_PATH) {
+      return false;
+    }
     return fs.existsSync(this.command());
   },
   active: function () {
     return fs.existsSync('/dev/vboxnetctl');
   },
   version: function () {
-    return util.exec([this.command(), '-v']).then(stdout => {
+    return util.execFile([this.command(), '-v']).then(stdout => {
       let matchlist = stdout.match(/(\d+\.\d+\.\d+).*/);
       if (!matchlist || matchlist.length < 2) {
         Promise.reject('VBoxManage -v output format not recognized.');
@@ -32,29 +35,11 @@ var VirtualBox = {
       return Promise.resolve(null);
     });
   },
-  poweroffall: function () {
-    return util.exec(this.command() + ' list runningvms | sed -E \'s/.*\\{(.*)\\}/\\1/\' | xargs -L1 -I {} ' + this.command() + ' controlvm {} poweroff');
-  },
   mountSharedDir: function (vmName, pathName, hostPath) {
-    return util.exec([this.command(), 'sharedfolder', 'add', vmName, '--name', pathName, '--hostpath', hostPath, '--automount']);
-  },
-  killall: function () {
-    if (util.isWindows()) {
-      return this.poweroffall().then(() => {
-        return util.exec(['powershell.exe', '\"get-process VBox* | stop-process\"']);
-      }).catch(() => {});
-    } else {
-      return this.poweroffall().then(() => {
-        return util.exec(['pkill', 'VirtualBox']);
-      }).then(() => {
-        return util.exec(['pkill', 'VBox']);
-      }).catch(() => {
-
-      });
-    }
+    return util.execFile([this.command(), 'sharedfolder', 'add', vmName, '--name', pathName, '--hostpath', hostPath, '--automount']);
   },
   vmExists: function (name) {
-    return util.exec([this.command(), 'showvminfo', name]).then(() => {
+    return util.execFile([this.command(), 'showvminfo', name]).then(() => {
       return true;
     }).catch((err) => {
       return false;