Microsoft Investigates Windows 11 Issue on Samsung Laptops

Microsoft is investigating an issue affecting certain Samsung laptops running Windows 11 after the installation of the February 2026 security updates, which results in users losing access to their C:\ drive and being unable to launch applications. The problem specifically impacts devices from Samsung, though the exact models are not specified. No CVE IDs or additional technical details about the root cause were provided in the report. The issue was observed following the deployment of the February 2026 security patches. The primary impact includes restricted file system access and application failures on affected systems.