no Facebook messages or notifications are coming through to my notification bar. they came through the first couple of days of me having windows 10 but now none of them come through, I have to manually go onto Google Chrome and go on Facebook and the same with the windows 10 Mail program, I have signed in on both and have made sure that notifications for everything are enabled in windows settings. I have made sure my Mobile device (Sony XPERIA U) is off so that the notifications don't come through there