I am using windows 7 in my acer laptop and I have installed Microsoft security essentials in my system. But every day when I start my computer I always receive 2 downloads of definitions and day by day size of these keep increasing. First thing I want to know that does this new updates cumulate with previous ones and make the folder large amount of size? Please anyone who can give me proper information about this then it will be very helpful to me so please reply me with proper information.
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