Caps Note Off Requires 2 Presses

This is kind of a dumb problem, but on my sony vaio, I seem to have to press CAPS twice to get a note off. Not a huge deal, but kind of annoying. I realize I can remap the key, but I’d prefer to stay with the default keybindings for now if possible. Any ideas?

read on from here: M

ah, figured it might be some intractable windows issue … thanks!