IT support staff need to implement the fix in person, one computer at a time, experts have saidWhat is CrowdStrike and how did it cause a global Windows outage?Get our morning and afternoon news emails, free app or daily news podcastSupermarkets, banks, airlines and industries across Australia are slowly recovering on Saturday morning from the massive global Windows outage caused by a CrowdStrike software update gone wrong, with experts warning it could take weeks to resolve.On Friday morning, the CEO of the Texas-based cybersecurity company, George Kurtz, apologised for the outage, and said it was not a cyber-attack, but a