When you install, uninstall, or update Store apps, the error 0x80073CFA, 0x80073CF9, or 0x80076BE may occur. There was an issue in the WinAppSDK 1.6.2 release which affected Windows 10 version 19045 machines. It seems that Microsoft has pulled the 1.6.2 release later.
Resolution
Update – Nov 22, 2024
Please install the Windows Apps SDK 1.6.3 (or higher) to resolve the issue.
Latest downloads for the Windows App SDK – Windows apps | Microsoft Learn:
https://learn.microsoft.com/en-us/windows/apps/windows-app-sdk/downloads
More Information
[Nov 19, 2024]
Credits to codendone who posted a workaround for this issue on the following GitHub page.
I’m reposting codendone’s reply below:
[begin quote]
This issue was not caused by an update to Windows and will not be fixed by uninstalling any Windows Cumulative Updates.There is an upcoming Windows Update which will fix this issue (adding extra safety in Windows), and a release of WinAppSDK 1.6.3 is coming soon with a fix.
Machines in a bad state can also be manually fixed by running these steps:
Launch a PowerShell or Command Prompt as Administrator and run these commands:
takeown /F "C:\Program Files\WindowsApps\Microsoft.WindowsAppRuntime.1.6_6000.311.13.0_x64__8wekyb3d8bbwe\WindowsAppRuntime.DeploymentExtensions.OneCore.dll" icacls "C:\Program Files\WindowsApps\Microsoft.WindowsAppRuntime.1.6_6000.311.13.0_x64__8wekyb3d8bbwe\WindowsAppRuntime.DeploymentExtensions.OneCore.dll" /grant Administrators:F del "C:\Program Files\WindowsApps\Microsoft.WindowsAppRuntime.1.6_6000.311.13.0_x64__8wekyb3d8bbwe\WindowsAppRuntime.DeploymentExtensions.OneCore.dll" takeown /F "C:\Program Files\WindowsApps\Microsoft.WindowsAppRuntime.1.6_6000.311.13.0_x86__8wekyb3d8bbwe\WindowsAppRuntime.DeploymentExtensions.OneCore.dll" icacls "C:\Program Files\WindowsApps\Microsoft.WindowsAppRuntime.1.6_6000.311.13.0_x86__8wekyb3d8bbwe\WindowsAppRuntime.DeploymentExtensions.OneCore.dll" /grant Administrators:F del "C:\Program Files\WindowsApps\Microsoft.WindowsAppRuntime.1.6_6000.311.13.0_x86__8wekyb3d8bbwe\WindowsAppRuntime.DeploymentExtensions.OneCore.dll"
Reboot
Launch a PowerShell as Administrator and run these commands:
Get-AppxPackage *WinAppRuntime.Main.1.6* -AllUsers | Where { $_.Version -eq '6000.311.13.0' } | Remove-AppxPackage -AllUsers
Get-AppxPackage *MicrosoftCorporationII.WinAppRuntime.Singleton* -AllUsers | Where { $_.Version -eq '6000.311.13.0' } | Remove-AppxPackage -AllUsers
Get-AppxPackage *Microsoft.WinAppRuntime.DDLM* -AllUsers | Where { $_.Version -eq '6000.311.13.0' } | Remove-AppxPackage -AllUsers
Get-Appxpackage *WindowsAppRuntime.1.6* -AllUsers | Where { $_.Version -eq '6000.311.13.0' } | Remove-AppxPackage -AllUsers
Investigations are continuing and we’ll provide further updates when available.
If you have an app project referencing the Microsoft.WindowsAppSDK package version 1.6.241106002, update the project to instead reference version 1.6.240923002. Removing version 1.6.241106002 from your local NuGet cache (such as C:\Users\\.nuget\packages\microsoft.windowsappsdk\1.6.241106002) is also recommended to avoid accidental usage.
Investigations are continuing and we’ll provide further updates when available.
[end quote]
I hope the above information helps.
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