Some users of Windows 11 24H2 are unable to receive security updates due to the installation package they used.The issue affects only those who installed Windows 11 24H2 through a USB stick or another external media device.Those who installed Windows 11 24H2 via Windows Update platform will not be affected by this issue.This issue was acknowledged by Microsoft back in December 2024 and was resolved recently.The solution to the issue is that one should not use the October 2024 or November 2024 security update versions for installing Windows 11.To resolve the issue, users need to reinstall Windows 11 24H2, using the December 2024 or later version.Users should back up their files before performing any reinstallation to prevent the loss of data.Microsoft advises users to install the latest version of Windows 11 24H2 while using external media.This issue might still occur at some later point, so users should be prepared to reinstall again if necessary.This issue does not affect all users of Windows 11 24H2.