title: How to run .jar file by double click on Windows 7 64-bit?
body: <p>Running a .jar file in a command line works fine, but i am not able to run any .jar file by double clicking on my Windows 7 (64). It seems nothing happens after the double click.</p>
  
  <p>I tried the <code>ftype</code> hint, no success:</p>
  
  <pre><code>ftype jarfile="C:\Program Files\Java\jre7\bin\javaw.exe" -jar "%1" %*
  </code></pre>
  
  <p>I reinstalled the JDK 7 64-bit, no success.</p>
  
  <p>Any idea?</p>