I had my laptop connected to a projector recently, and for some reason a few windows got moved off screen, like Twhirl. That was strange, so I did what I have done in the past and right clicked the icon. However that got me this:

I was expecting something more like this:

How did I get that? First I googled and found this link from Ask Leo. He explains the same issue I had and notes that I Windows 7 you have to hold down SHIFT and then right click.

Sure enough, that works and you can select “Move”. From there I use the arrow keys to move things back on screen for me.