Microsoft withdrew information security KB4524244 after being found to cause various critical issues. The update is supposed to resolve some issues with the UEFI boot manager.
Update KB4524244 has been released for windows 10 στις εκδόσεις 1607, 1703, 1709, 1803, 1809, 1903 και 1909 σαν μια αυτόνομη ενημερωμένη έκδοση ασφαλείας. Ήταν μέρος του Patch Tuesday February.
Many of those who have already installed the KB4524244 update are reporting that their OS system freezes, while others say they can not install it.

The Microsoft Support Page he says:
This standalone security update has been removed due to an issue affecting a subset of devices. It will not relaunch from Windows Update, the Windows Server Update Services (WSUS) or the Microsoft Update Catalog. Removing this standalone security update will not affect the installation or any changes to other security updates as of February 11, 2020.
If you have this update installed and you have problems, Microsoft recommends removing it.
Κάντε κλικ στην Αναζήτηση της surfaceς εργασίας των Windows, πληκτρολογήστε update history και επιλέξτε View your Update history.
In the Update History window, select Uninstall Updates.
In the Installed Updates window (Installed Updates), find KB4524244 and click the Uninstall button.
Restart your device.
