Solved: Grunt No Clean Targets

I dont under stand what is happening here with running my Gruntfile.js I am run at from a MACOS and Windows server 2012 both gave me exact error

This is my Gruntfile.js

'use strict';

module.exports = function (grunt) {

// Time how long tasks take. Can help when optimizing build times
require('time-grunt')(grunt);

// Automatically load required Grunt tasks
require('jit-grunt')(grunt, {
  useminPrepare: 'grunt-usemin'
});

    // Define the configuration for all the tasks
    grunt.initConfig({
      pkg: grunt.file.readJSON('package.json'),


        // Make sure code styles are up to par and there are no obvious mistakes
  jshint: {
    options: {
      jshintrc: '.jshintrc',
      reporter: require('jshint-stylish')
    },
    all: {
      src: [
        'Gruntfile.js',
        'app/scripts/{,*/}*.js'
      ]
    }

 },
  useminPrepare: {
      html: 'app/menu.html',

      useminPrepare: {
          html: 'app/menu.html',
          options: {
              dest: 'dist'
          }
      },

      // Concat
      concat: {
          options: {
              separator: ';'
          },

          // dist configuration is provided by useminPrepare
          dist: {}
      },

      // Uglify
      uglify: {
          // dist configuration is provided by useminPrepare
          dist: {}
      },

      cssmin: {
          dist: {}
      },

      // Filerev
      filerev: {
          options: {
              encoding: 'utf8',
              algorithm: 'md5',
              length: 20
          },

          release: {
              // filerev:release hashes(md5) all assets (images, js and css )
              // in dist directory
              files: [{
                  src: [
                    'dist/scripts/*.js',
                    'dist/styles/*.css',
                  ]
              }]
          }
      },

      // Usemin
      // Replaces all assets with their revved version in html and css files.
      // options.assetDirs contains the directories for finding the assets
      // according to their relative paths
      usemin: {
          html: ['dist/*.html'],
          css: ['dist/styles/*.css'],
          options: {
              assetsDirs: ['dist', 'dist/styles']
          }
      },


      copy: {
          dist: {
              cwd: 'app',
              src: ['**', '!styles/**/*.css', '!scripts/**/*.js'],
              dest: 'dist',
              expand: true
          },

          fonts: {
              files: [
                {
                    //for bootstrap fonts
                    expand: true,
                    dot: true,
                    cwd: 'bower_components/bootstrap/dist',
                    src: ['fonts/*.*'],
                    dest: 'dist'
                }, {
                    //for font-awesome
                    expand: true,
                    dot: true,
                    cwd: 'bower_components/font-awesome',
                    src: ['fonts/*.*'],
                    dest: 'dist'
                }
              ]
          }
      },

      clean: {
          build: {
              src: ['dist/']
          }
      }
  }
 });



grunt.registerTask('build', [
  'clean',
  'jshint',
  'useminPrepare',
  'concat',
  'cssmin',
  'uglify',
  'copy',
  'filerev',
  'usemin'
]);


    grunt.registerTask('default',['build']);

};

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Below is my output

PS V:\ProgramData\Coursera\AngularJS\Week2vs\conFusion> grunt -v
Initializing
Command-line options: --verbose

Reading "Gruntfile.js" Gruntfile...OK

Registering Gruntfile tasks.
Reading package.json...OK
Parsing package.json...OK
Initializing config...OK
Loading "Gruntfile.js" tasks...OK
+ build, default

No tasks specified, running default tasks.
Running tasks: default

Running "default" task

Running "build" task

Loading "grunt-contrib-clean" plugin

Registering "V:\ProgramData\Coursera\AngularJS\Week2vs\conFusion\node_modules\grunt-contrib-clean\tasks" tasks.
Loading "clean.js" tasks...OK
+ clean

Running "clean" task
>> No "clean" targets found.
Warning: Task "clean" failed. Use --force to continue.

Aborted due to warnings.


Execution Time (2016-10-21 23:44:36 UTC-4)
loading tasks                971ms  ███████████████████████████████████████████████████████ 75%
loading grunt-contrib-clean  332ms  ███████████████████ 25%
Total 1.3s

PS V:\ProgramData\Coursera\AngularJS\Week2vs\conFusion>

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Here is a list of the directory

PS V:\ProgramData\Coursera\AngularJS\Week2vs\conFusion> ls


    Directory: V:\ProgramData\Coursera\AngularJS\Week2vs\conFusion


Mode                LastWriteTime     Length Name
----                -------------     ------ ----
d----        10/21/2016  11:43 PM            node_modules
d----        10/16/2016  11:11 PM            img
d----        10/18/2016   1:22 AM            app
d----        10/16/2016  11:11 PM            css
d----        10/16/2016  11:11 PM            bower_components
d----        10/16/2016  11:11 PM            js
d----        10/21/2016  12:44 AM            dist
d----        10/16/2016  11:11 PM            __MACOSX
d----        10/16/2016  11:11 PM            fonts
-a---        10/21/2016  11:48 PM       3223 Gruntfile.js
-a---         7/14/2016  11:05 PM      14624 aboutus.html
-a---         7/19/2016  11:14 PM        426 bower.json
-a---          7/4/2016   9:30 AM      12505 contactus.html
-a---         7/21/2016   7:54 AM      22837 index.html
-a---        10/21/2016  11:43 PM        588 package.json
-a---        10/20/2016  11:05 PM       3933 Gruntfile_new2.js
-a---        10/19/2016  11:12 PM       2904 Gruntfile_new.js


PS V:\ProgramData\Coursera\AngularJS\Week2vs\conFusion>

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As you can see the dist folder is present line #15. I have been at this for a week now.