DriveSentry 2.1 is an interesting alternative to protect your computer a little more from the constant attacks of malicious viruses and spyware that attack your computer as the program is monitoring and detecting if any program is not allowed (the list of allowed programs is made by yourself) ) is trying to write on your hard drive (and therefore be suspected of inoculating a spy program) only by allowing it if you give your consent to do so.
It also informs you of possible alterations in the Windows Registry and, more importantly, it hardly consumes resources, so you will be a little more protected against the potential external threats that can get into your computer.
You can free download DriveSentry 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.