title: Silent install of an msi in python 2.7
body: <p>How do i install an msi silently using python script? I tried using the below script and it did not work for me!I need to install an msi silently(without showing any UI) and launch the .exe created. </p>
  
  <pre><code>import subprocess
  subprocess.call(msiexec /i "D:\mypath\to\.msi" /qn TARGETDIR="D:\msi" ALLUSERS=1)
  </code></pre>
  
  <p>The msiexec is not executing in the command line as well!I am using python 2.7 and windows 7 64-bit system.</p>