Talkback keeps turning on

I have had my audiofuse studio for a few years now… recently the talkback button keeps engaging and dims all the other audio. I cant get it to disengage. Toggling on/off the device doesnt seem to help. My only recourse is to save my session and turn off/on my entire computer… even then it only works for about 15 minutes then the talkback button clicks on again. Its very frustrating. Its on right now taunting me.

Please help