Comment 8 for bug 783134

The same thing happened to me, but the strangest thing was that it started after some package refreshment and never happened before that. I found something that solved the problem for me and maybe helps you as well. I changed the "CompizConfig Settings Manager" > "Window Decoration" > "Command" to
"/usr/bin/compiz-decorator" (I don't remember what it was set to before)
This solved the problem for me