I had the Kaspersky antivirus installed in my system. Then I upgraded my operating system to Windows 7 64bits.When I upgraded my operating system I found that my web surfing got slower. So can you tell me the reason for this? Also I tried by unchecking safe surf option because I feel that it is not supported by the windows version which I am using currently. So is fine if I work by unchecking safe surf option?
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