My friend had a similar issue. He's using windows 10, and VA would constantly start listening. If you ran your mouse over the listening icon, the red sign would disappear. Though, if he edited anything in the profile, after a few times, he would have to restart VA, because it sort of stopped working.
I tried everything I could think of to fix this problem, and it just didn't matter.
We both have the same mouse though, the Logitech G600 20 button mouse. We are both using the same software for it. I still am, with no issue, but Logitech came out with a totally new version of their software. So he install it, and suddenly, VA started to work perfectly. That was a few months ago.
So, apparently, something in the old Logitech Gaming Software, on Windows 10, wasn't compatible with VA.
He had reinstalled Windows 10 multiple times, wiped out VA, and voiceattack.dat many times, and it didn't solve the problem, not till he switched to a new version of the Logitech software. After that, no issues.
I bring this up, because maybe something like this might be happening on your computer. I'm guessing, maybe another program that controls the keyboard or mouse, which for some reason is conflicting with VA, but it's unique to your computer. Because my friend and I were running the same version of the same Logitech program, he was having issues, and I wasn't, and I'm still using the same version no issue.