 to blame a security company called CrowdStrike that issued an update that affected Microsoft Access. When our Elizabeth Palmer got to the CBS London bureau this morning, she saw the blue screen of death. Some of our computer systems, when we came in this morning, were offline, but they are working again. This fix is simple, but it's time-consuming as every computer that's affected has to be tweaked. CBS News Special Report. I'm Stacey Lynn.