Microsoft has pulled a problematic Windows servicing stack update (SSU) after blocking Windows 10 and Windows Server customers from installing the security updates released during this month Patch Tuesday. The bug was observed by customers who tried installing the February 9 security updates on systems running Windows Server 2016 and all editions of Windows 10, version 1607. Microsoft also pulled the KB4601392 SSU and stopped offering to devices through Windows Update or through the Microsoft Update Catalog. Users who have already installed the SSU can reset update components using a simple procedure.
Source: https://www.bleepingcomputer.com/news/microsoft/microsoft-pulls-windows-kb4601392-for-blocking-security-updates/