V4 scans might be acting up

I recently uploaded and installed V4 (free), and when I ran it, 4 virus-related issues showed up which the older version did not show a day ago. The issues were 3 files and a reg entry, none of which exist. I’ve looked for the files machinerdata for one, and a reg entry for the aforementioned file. Another malware scanner I ran did not show any problems. Why is this happening?