A widespread Microsoft Cloud outage has impacted millions of computer systems globally, causing sudden shutdowns and restarts. The issue stems from a recent update by CrowdStrike, a cybersecurity firm that collaborates with Microsoft. The outage has disrupted critical services in various sectors, including airlines, financial institutions, and government operations. Microsoft and CrowdStrike are actively working to resolve the issue, and users are advised to follow official guidance for troubleshooting.