title: Sprockets::FileNotFound couldn't find file 'jquery'
body: <p>I am new on rails and I am stuck here at this spot.</p>
  <p>This is my application.HTML.erb The error is in the JavaScript include tag (line 6)
  when I delete the line I don't get an error
  I tried doing the following didn't work
  <a href="https://stackoverflow.com/questions/17285873/couldnt-find-file-jquery-in-rails-project">couldn&#39;t find file &#39;jquery&#39; in Rails project</a>
  I restarted my server a couple times did not help one last thing , when i open my older projects it works , but any new ones same error</p>
  <pre><code>&lt;!DOCTYPE html&gt;
  &lt;html&gt;
  &lt;head&gt;
    &lt;title&gt;Appmind&lt;/title&gt;
    &lt;%= stylesheet_link_tag    &quot;application&quot;, media: &quot;all&quot;, &quot;data-turbolinks-track&quot; =&gt; true %&gt;
    &lt;%= javascript_include_tag &quot;application&quot;, &quot;data-turbolinks-track&quot; =&gt; true %&gt;
    &lt;%= csrf_meta_tags %&gt;
  &lt;/head&gt;
  &lt;body&gt;
  
  &lt;%= yield %&gt;
  
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  <p><strong>contents of application.js</strong></p>
  <pre><code>// This is a manifest file that'll be compiled into application.js, which will include all the files
  // listed below.
  //
  // Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
  // or vendor/assets/javascripts of plugins, if any, can be referenced here using a relative path.
  //
  // It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
  // compiled file.
  //
  // Read Sprockets README (https://github.com/sstephenson/sprockets#sprockets-directives) for details
  // about supported directives.
  //
  //= require jquery
  //= require jquery_ujs
  //= require turbolinks
  //= require_tree .
  </code></pre>
  <p><strong>gemfile contents</strong></p>
  <pre><code>source 'https://rubygems.org'
  
  # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
  gem 'rails', '4.0.2'
  
  # Use sqlite3 as the database for Active Record
  gem 'sqlite3'
  
  # Use SCSS for stylesheets
  gem 'sass-rails', '~&gt; 4.0.0'
  
  # Use Uglifier as compressor for JavaScript assets
  gem 'uglifier', '&gt;= 1.3.0'
  
  # Use CoffeeScript for .js.coffee assets and views
  gem 'coffee-rails', '~&gt; 4.0.0'
  
  # See https://github.com/sstephenson/execjs#readme for more supported runtimes
  # gem 'therubyracer', platforms: :ruby
  
  # Use jquery as the JavaScript library
  gem 'jquery-rails'
  
  # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
  gem 'turbolinks'
  
  # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
  gem 'jbuilder', '~&gt; 1.2'
  
  group :doc do
    # bundle exec rake doc:rails generates the API under doc/api.
    gem 'sdoc', require: false
  end
  
  # Use ActiveModel has_secure_password
  # gem 'bcrypt-ruby', '~&gt; 3.1.2'
  
  # Use unicorn as the app server
  # gem 'unicorn'
  
  # Use Capistrano for deployment
  # gem 'capistrano', group: :development
  
  # Use debugger
  # gem 'debugger', group: [:development, :test]
  </code></pre>
  <p><strong>trace</strong></p>
  <pre><code>Rails.root: C:/aptanastudio3/appmind
  Application Trace | Framework Trace | Full Trace
  
  app/views/layouts/application.html.erb:6:in `_app_views_layouts_application_html_erb___663637225_30053304'
  </code></pre>
  <p>any help would be appreciated thanks</p>