Sounds like it's a limitation of the remote control software, and you're what we call "screwed".
You can try some of the alternate remote control software programs out there to see if you can override it, but there's no guarantees. EventGhost is the one that comes to mind. Once upon a time I knew a few others, but it's been a long time.
Recently I bought a remote controller to my PC, but the increasement steps of the sound volume is to big, and I'd like to have a smoother controll over increasing the volume.
Basically you can set the volume in 25 steps from 0% to 100% (not only by the remote controller but as well as the + and - media buttons on my keyboard, that's why I suppose that it is a Windows default instead of an attribute of my remote). Certain volume strength values are connected to each step. I would like to have more steps than 25 or at least change the connected values.
I downloaded a program called Power Mixer, which has a utility called Audio Taper Editor. This is for this problem: it shows graphically the steps and the connected volume values; you can add extra steps in between the already existing steps, and set volume values for them. So, it would solve my problem, if it worked. But when I use the menu command "write to registry", nothing changes although a message about the successful writing appears.
Due to this, I suppose that the steps and the values are stored somewhere in the registry but so far I was unable to find them, however, I struggled a whole day.
(Surprisingly when I read back the registry - even after a reboot - the modified values are read in. That shows, that the program definitely works but maybe it writes to the wrong place)
But in the other hand, maybe I am wrong, and this information is not in the registry but somewhere else...
Could anyone help me?