New
#91
None at all. To me, most of the so called anti virus anti malware programs are worse than the programs they are trying to stop.
Once my system has been infected I just back up and reinstall the Op system. I don't trust anything to remove viruses because you never really know if you got them all.
I keep a running back up handy on one of my other machines and can do a complete restore with all my files back in less than an hour. Avoiding malware and viruses has more to do with knowing where not to go than anything else. Using your brain when browsing prevents more infections than any anti virus program.