I like Malwarebytes’ and it has helped me save a few computers but I have had problems with it too. I re-installed vista on my friends machine, and I downloaded Malwarebytes’ and it just didn’t work. I tried re-downloading and re-installing and still, nothing. His machine had to be clean I have sanitized, flattened and reformatted on alot of PC’s before. Sometimes it wouldn’t launch and sometimes it displayed a message saying that the installer was corrupt. It eventually worked but that was about two or three weeks later. Weird.