Windows 10 update KB5015019 (5/19/2022) fixes app install error 0xC002001B

Windows[German]The April and May 2022 cumulative updates could cause error 0xC002001B to occur on Windows 10 20H2 – 21H2 when installing apps from the Store. In addition, there were cases where the apps stopped launching. Microsoft released unscheduled updates on May 19, 2022 to fix this bug as well. In a deeper wrap-up, I once again summarize some of the information that can be found in various places at Microsoft on this topic.


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Out-of-band updates from May 19, 2022

On May 19, 2022, Microsoft released a set of unscheduled updates (out-of-band updates) for the supported Windows versions (client and server) (see Windows out-of-band updates (05/19/2022) fixes AD authentication error and Store installation error). The main goal was to fix the certificate authentication issue on Windows servers that act as Active Directory domain controllers. However, the latter issue is not really fully fixed (see Windows out-of-band updates dated May 19, 2022 fail on AD DC authentication bug in NPS environments).

Relevant to the app install error 0xC002001B issue addressed here in the article here is the out-of-band update KB5015020. Microsoft says about that update:

Addresses an issue that might prevent you from installing Microsoft Store apps.

Unfortunately, Microsoft doesn't elaborate on what exactly the issue is. The article by German colleagues here inspired me to take a closer look. 

The app installation error 0xC002001B

Via the article linked above, I found out that the fix is about the app installation error 0xC002001B. In Microsoft Answers, there is this thread from May 7, 2022 (i.e. before the May 2022 patchday) complaining about the error in Windows 10.

When I try to install or update an app from the Microsoft store I get an error with error code: 0xC002001B. I have tried different things already but none of them work. For example I tried making a new user account which didn't work.

This problem is caused by the updates KB5011831 (April 2022) and KB5013942 (May 2022). Microsoft has published the following information in the Known Issues section of update KB5011831 (for Windows 10 20H2-21H2).


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After installing this update, you might receive an error code: 0xC002001B when attempting to install from the Microsoft Store. Some Microsoft Store apps might also fail to open. Affected Windows devices use a processor (CPU) which supports Control-flow Enforcement Technology (CET), such as such as 11th Gen and later Intel® Core™ Processors or later and certain AMD processors.

By the way, the error code 0xC002001B stands for RPC_NT_CALL_FAILED or RPC_S_CALL_FAILED, i.e. a remote procedure call failed under Windows. Microsoft states in the Known Issues section of update KB5011831 (for Windows 10 20H2-21H2) that problem with out-of-band update KB5015020 has been fixed. Since this is a cumulative update, no previous update needs to have been installed to apply the special update. However, the out-of-band update KB5015020 is not distributed via Windows Update. Affected users must download the out-of-band update KB5015020 from Microsoft Update Catalog and install it manually. On managed clients, the update may need to be imported into WSUS and then distributed.

Similar articles:
Patchday: Windows 10-Updates (May 10, 2022)
Patchday: Windows 11/Server 2022-Updates (May 10, 2022)
Windows 7/Server 2008R2; Windows 8.1/Server 2012R2: Updates (May 10, 2022)

Windows May 2022 Updates Cause AD Authentication Failure (Server, Client)
CISA warns against installing May 2022 updates on Windows Domain Controllers
Microsoft has fixed the (PetitPotam) NTLM Relay Vulnerability (CVE-2022-26925) with Windows May 2022 Update
Windows 11: Update KB5013943 results in application error 0xc0000135
MS-Patchday wrap-up: Issues with April 2022 updates
Windows Server 2022: RDS bug (RDCB role broken) caused by KB5011497, not fixed in May 2022
Windows Update KB5012599: Microsoft plans fix for install error 0x8024200B and 0x800F0831
Windows 11: Update KB5013943 results in application error 0xc0000135
Active Directory Admins: May 2022 updates may force DCs to a boot loop (AltSecID attribute set on krbtgt)
Windows out-of-band updates (05/19/2022) fixes AD authentication error and Store installation error
Windows out-of-band updates dated May 19, 2022 fail on AD DC authentication bug in NPS environments


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1 Response to Windows 10 update KB5015019 (5/19/2022) fixes app install error 0xC002001B

  1. EP says:

    see this article from Neowin, guenni:

    https://www.neowin.net/news/microsoft-store-apps-failed-to-install-on-intel-11th-12th-gen-and-amd-ryzen-5000-6000-pcs/

    "After installing KB5011831 or later updates, you might receive an error code: 0xC002001B when attempting to install from the Microsoft Store. Some Microsoft Store apps might also fail to open. Affected Windows devices use a processor (CPU) which supports Control-flow Enforcement Technology (CET), such as such as 11th Gen and later Intel® Core™ Processors or later and certain AMD processors."

    "The affected CPUs include Intel 11th Gen Tiger Lake chips, as well as 12th Gen Alder Lake CPUs. On the AMD side, the Zen 3 Ryzen 5000 and the latest Zen 3+ Ryzen 6000 series CPUs are affected."

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