I purchased this software in Jan 2009. It didn't make a difference on my PC. What it did do was install itself and continously ask me to buy more modules. It was difficult to remove from my PC. Later in the year, I got an email that I would be "billed" on my credit card again for a renewal. I send emails, postal mail and used their chat window to tell them to NEVER bill my credit card, never to contact me again, etc., remove me from their system. I when so far as to tell them if they billed my credit... read full review »