10 points best answer what anti virus program is best for my hp pavilion dv7 3170ca?

i tried microsoft security essentials and it crashes my laptop any help is greatly appreciated
Update: is avg any good?
Update 2: i have malware bytes and norton but norton isnt always helping my computer i had 8 viruses that slipped past it and i want another anti virus to help keep my computer safe
Update 3: and i have windows 7 home edition
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