Kathmandu. Microsoft's mandatory security update released for Windows users in January has become a headache. In the latest versions of Windows 11, installing this update has caused the 'Black Screen of Death' (BSOD) issue, where the computer suddenly stops working and the screen turns completely black. Many PC users worldwide have been affected by this software glitch. According to Microsoft, this problem is particularly visible among users running Windows 11 versions 24H2 and 25H2. After the update, the system crashes upon startup, displaying the error code 'UNMOUNTABLE_BOOT_VOLUME'. Since this is a mandatory update, it is installing automatically on most computers, and although...