Microsoft Store apps cannot be installed on Intel 11th Gen, 12th Gen and AMD Ryzen 5000, 6000 PCs

Microsoft has released an important out-of-band (OOB) update that resolves an issue that causes Microsoft Store app installations to fail with error code "0xC002001B." The issue occurred after installing the KB5011831 Windows 10 build.

Microsoft has determined that the issue afflicts modern Intel and AMD CPU systems that support Intel Control Flow Enforcement Technology (CET) or AMD’s equivalent Shadow Stack technology (via TechBeezer). CET helps mitigate Return-Oriented Programming (ROP) exploits or CALL/JMP-Oriented Programming (COP/JOP) exploits.

Affected CPUs include Intel’s 11th generation Tiger Lake chips and 12th generation Alder Lake CPUs. On the AMD side, Zen 3 Ryzen 5000 and the latest Zen 3 Ryzen 6000 series CPUs are affected.

Microsoft_Advisory Says:

After installing KB5011831 or later update, you may receive error code: 0xC002001B when trying to install from the Microsoft Store. Some Microsoft Stores Applications may also fail to open. Affected Windows devices use processors (CPUs) that support Control Flow Enforcement Technology (CET), such as 11th generation and later Intel® Core™ processors or later and some AMD processors.

Resolution: This issue is resolved in out-of-band update KB5015020.

To download OOB update KB5015020, which fixes this issue, go to the Microsoft Update Catalog page at this link.

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