Anti Virus Programmes What Happens When Two Anti Virus Programmes Get Dwnlded?

What happens when two anti virus programmes get dwnlded? - anti virus programmes

My system has a Norton Anti-virus prog decided running.i old to respnding the security of my system using McAfee's online support system in my system check is not all anti-virus software on all its prog even refuses to open They could eliminate the side of a large programmes.i the fight against the virus prog-date NAV, but the problem is persistin.why?