text:  is down to a cyber security company called CrowdStrike. It says it's now fixed the problem. In fact, its chief executive has just been talking to NBC News in the States, and George Kurtz has said this issue was caused by a bug in the update that hit Microsoft operating systems only. We know what the issue is, and we've resolved it, but it could be some time for systems that just automatically won't recover. It is our mission to make sure...