Hey, I have a really weird behavior occuring for one of my co-workers, I was wondering if anyone had any idea what could be the cause of this. I tought at first that perhaps he was holding alt down and dragging buttons around but it appears it is not the case.

So the problem is that one of my co-worker has been losing some of his buttons randomly. 2 weeks ago, he had lost his smart dimension button, last week it was the model view, this week he lost the Options button at the top and the line button. Of course, they can easily be brought back but it is extremely annoying having to do so. My coworker swears he didn't hold down Alt while clicking on something.

Any idea?

Working on SolidWorks 2016 SP4.0

Windows 10