I've seen it before, but it's been a while. I don't remember doing anything to fix it. It may have stopped last fall when I got my new computer, but I'm not sure.
Mine has been doing that for a couple months. I haven't changed any settings or upgraded software so not sure why it started. I just ignore it since hopefully it will be resolved when I upgrade versions soon.
I used SW2013 at a customers site and it did the same thing. It did the same thing on my own computer with 2014 and also now 2015. To be honest I haven't used a SW installation yet that didn't do it. I would like to actually see an installation that does not do this as I have yet to see one.