Unable to elevate. Error 6 on VLC player version 1.1.11 Installation

Hi guys,
I am presently using Windows vista premium sp2. I want to install the VLC player version 1.1.11 on my system, but unfortunately, this simple task cannot be completed.
When I start the installation, I receive an error from my system. The error is:
"Unable to elevate. Error 6".
As soon as I enter my password, the above said error message pops up.
Can anyone please shed some light on this issue? I could not succeed in resolving this issue.
Looking forward to your help.
Regards.
