...(Virus/Torjan scanned using Avira Pro.)
The memory footprint is small and the CPU utilization is also very low (~ 0%), you can verify this by opening your Task Manager (Ctrl-Shift-Esc).
This is originally mainly for my personal use since newer notebooks does not have HDD LED light so I quickly write a replacement using Visual Studio C++ 2010.
Some of the existing HDD indicators constantly consume ~2% of CPU. Also most of them can't show individual actitivity for each physical HDD. For more than one HDD you need to run this program separately using different command line arguments. ...