title: Display error when i try to composer install
body: <p><br />
  I have one laravel5.0 project<br />
  I want to run this project in my local system<br />
  But when i run command into cmd "composer install" <br />
  that time my cmd display following error message <br /></p>
  
  <pre><code>C:\xampp\htdocs\Laravel5&gt;composer install
  &gt; php artisan clear-compiled
  
  Warning: require(C:\xampp\htdocs\Laravel5\bootstrap/../vendor/autoload.php): fai
  led to open stream: No such file or directory in C:\xampp\htdocs\Laravel5\bootstrap\autoload.php on line 17
  
  Fatal error: require(): Failed opening required 'C:\xampp\htdocs\Laravel5\bootstrap/../vendor/autoload.php' (include_path='.;C:\xampp\php\PEAR') in C:\xampp\htd
  ocs\Laravel5\bootstrap\autoload.php on line 17
  Script php artisan clear-compiled handling the pre-update-cmd event returned with an error
  
  
  [RuntimeException]
  Error Output:
  
  
  install [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--no-custom-installers] [--no-autoloader] [--no-scripts] [--no-progress] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--ignore-platform-reqs] [--] [&lt;packages&gt;]...
  </code></pre>