You'd better post this question in the Windows Answers Forum at the following address
Also take a look at the following links
Personally, I don't trust that kind of software nor I do not use any of them.
Luigi Bruno - Microsoft Community Contributor 2011 Award
Unfortunately your post is off topic here, in the TechNet Site Feedback forum, because it is not Feedback about the TechNet Website or Subscription.
You may want to try asking your question at http://answers.microsoft.com.
For more information about where to post your question please see this thread: http://social.technet.microsoft.com/Forums/en-US/tnfeedback/thread/24ee65e4-0f35-403c-9bf7-41333cd13cb5
Moving to off topic.
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