 fire trucks and police cars taking part in a funeral procession for the 50-year-old as investigators search for a motive behind the attack. Fox's Brian Yannis in Butler, Pennsylvania. Two other men who were shot remain in serious but stable condition. A faulty software update being blamed for a worldwide computer outage that grounded flights, forced hospitals to cancel surgeries and shut down local governments. Cyber security firm CrowdStrike says an error in a system's update for Microsoft Windows caused the chaos.