. . . because either I had no viruses on the Mac before I ran the app, or else the app can’t find them because they are so well hidden from the app. Because I have no problem with the machine’s performance, I will take it that the Trend Micro app confirms what I suspected all along, namely, there is nothing harmful on my machine that has escaped the Trend Micro anti-virus app’s ability to detect it.
Tsarevic about Antivirus One - Virus Cleaner, v1.4.2