A faulty software update caused technological havoc worldwide on Friday, grounding flights, knocking media outlets offline, and disrupting hospitals, small businesses and government offices.The trouble with the update issued by cybersecurity firm CrowdStrike affected customers running Microsoft Windows. It was not the result of hacking or a cyberattack, according to CrowdStrike, AP reports. In other news, the Colorado city of Boulder is among six cities named as finalists to host the Sundance Film Festival starting in 2027, the Sundance Institute announced on Friday. More local videos here: https://youtube.com/@9news Subscribe to NEXT: https://youtube.com/@Nexton9NEWS Stay connected: 9NEWS Website: https://www.9news.com/ Facebook: https://www.facebook.com/ilike9news Twitter: https://twitter.com/9NEWS Instagram: https://www.instagram.com/9newsdenver/ Download the 9NEWS App: https://www.9news.com/appredirect/ Sign up for the 9NEWSLETTER: https://www.9news.com/email 9NEWS (KUSA) is located in Denver, Colorado.