threat defense

No wonder their computer is not a problem, they in the computer are installed at the threat defense, so I think, or I understand too little knowledge, otherwise, I will also like them to install this threat defense, since the company to work, my the computer recurring problems, but the other colleague’s computer has been very good, I would wonder, then I have a time when I was in the computer repair, I asked about a colleague, he told me that I can install a threat defense, he there is the threat defense, you can to protect it from the computer, so from that time I did not know this thing.