error installing package

I setup a brand new CentOS 5 server.
I downloaded hc7 linux and I extracted it to a temp folder.
As root I run ./hc7installer from terminal.
this is the error I get:

/******************************************************************
* Copyright (C) 2007-2008 by Hosting Controller *
* Welcome to Hosting Controller 7 Build 16 Linux Installation *
* Email us at: support@hostingcontroller.com for any assistance *
* *
******************************************************************/
Extracting the package. Please wait this may take some time...........
Error while extracting the package

I downloaded it again thinking that maybe somethign went wrong with the first download but same results.

any help ?

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Please make sure about following things:

- selinux is disabled on the server. If it is enabled then disable it using this article.

- You are login as root user to extract and install hc on linux machine.

You should directly contact hc support in case of further issue.

________________________
HC Support Team
support@hostingcontroller.com
http://hostingcontroller.com
+1-213-341-1419