Windows 10 KB4551762 Security Update Fails to Install

Question

I'm updating the Window but security update failed

Answer 1

The Windows 10 KB4551762 security update is reportedly failing to install and throwing 0x800f081f, 0x80004005, 0x80073701, 0x800f0988, 0x80071160, and 0x80240016 errors during the installation process according to user reports.

KB4551762 is an out of band security update released by Microsoft last week to patch the critical remote code execution vulnerability (CVE-2020-0796) affecting devices running Windows 10, versions 1903 and 1909, and Windows Server Server Core installations, versions 1903 and 1909.

Answer 2

KB4551762 is released on March 12, 2020, which has been one year ago, we no longer need to install this KB now.
If your computer use Windows 10 1909, just install the latest update KB5001337. Because for Windows security update, the newer update will includes all contents of old updates.
https://support.microsoft.com/en-us/topic/april-13-2021-kb5001337-os-build-18363-1500-e7336837-2aaa-4f73-995c-ab2ba5013727

Prerequisite:
You must install the March 25, 2021 servicing stack update (SSU) (KB5001205) before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes.

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