Every browser cookie and history entry counts as a single issue.
Every temporary file counts as a single issue, no matter how tiny it is.
Invalid registry entries are considered issues, although they shouldn’t actually slow down your computer.
Our registry can be compacted a bit, but this shouldn’t make a noticeable difference
Every fragmented file counts as a single issue. MyCleanPC is measuring fragmentation based on the number of fragmented files, leading to a scary-looking 21.33% data fragmentation statistic. For comparison, the Windows Disk Defragmenter tells us we have 2% fragmentation.