So today icy sent me a friend request to me and he said that he went to the achieve menu then went to settings after that he clicked key binds then he binded mouse 1 to open the menu and he didn't mean to press mouse 1 so its bind to hes mouse 1 so when ever he left clicks he hits and it opens the achieve menu so keep him at bay i told him to make right click his select button and go over to key bind right click the bind and make it a key he doesn't use like o or p if i think they should add a default key if this ever happens again.
The actual easier way to fix it than resetting everything would be to type achieve_key -1 in console which will reset the bindings. There is a fix that Chai had to not allow you to do it on your mouse button.. but sadly he's gone so I can easily make a fix, or with some new things coming along we won't need the fix hopefully
There's a way to unbind that single key, this has happend to me before I don't remember the command though :/
It might be this one but I'm not 100% sure, I was messing around with the commands by pressing tab in console and finding one that would somehow work this way.
It's not an actual bind tho that's the thing. It's a fake bind that the addon uses with achieve_key to open it up for you. So unbind won't do anything