i want to know is Micorsoft Security Essentials is it for free of service or i have to pay money for every month used.  Someone hack into my computer steal my credit number and buy a lot of stuff now i have an outstanding balance over 500 dollars.  I am very upset now.  The credit company investigating i am still upset now.  please help me out my dad lost his job and now just on his retirement income hardly have enough money.  I am sad it the day after my birthday that i know my credit card have been close because i didn't pay for the item someone purchase.  thank you for helping me thank a lot.