Even on a brand new, blank C++ project, the build fails.

Development Programming & Scripting C++
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I have already tried a full, clean reinstallation of both Visual Studio 2022 (with the ‘Game development with C++’ and ‘Unreal Engine installer’ components) and Unreal Engine 5.6. I have also tried ‘Verify’, and ‘Switch Engine Version’, but the error persists. System Win11.

Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Warning As Error: Package ‘Magick.NET-Q16-HDRI-AnyCPU’ 14.0.0 has a known high severity vulnerability, ImageMagick has XMP profile write that triggers hang due to unbounded loop · CVE-2025-53015 · GitHub Advisory Database · GitHub
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Warning As Error: Package ‘Magick.NET-Q16-HDRI-AnyCPU’ 14.0.0 has a known high severity vulnerability, ImageMagick has XMP profile write that triggers hang due to unbounded loop · CVE-2025-53015 · GitHub Advisory Database · GitHub
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Source\Programs\AutomationTool\AutomationUtils\bin\Development\ref\AutomationUtils.Automation.dll’ could not be found
Metadata file ‘C:\Program Files\Epic Games\UE_5.6\Engine\Platforms\VisionOS\Binaries\DotNET\AutomationTool\AutomationScripts\ref\VisionOS.Automation.dll’ could not be found
Package ‘Magick.NET-Q16-HDRI-AnyCPU’ 14.0.0 has a known high severity vulnerability, ImageMagick has XMP profile write that triggers hang due to unbounded loop · CVE-2025-53015 · GitHub Advisory Database · GitHub

2

For those who are on launcher version & using VS I suggest you build your project through UnrealVS extension to bypass this issue temporary

If you have built from source you can change .csproj files mentioned in error and change ImageMagick.NET from 14.0.0 to 14.7.0

Other alternative option is

Directory.Build.props into the root of unreal

<Project>
   <PropertyGroup>
        <NuGetAudit>false</NuGetAudit>
    </PropertyGroup>
</Project>

any offending ,csproj files, Localization.Automation.csproj and AutomationScripts.Automation.csproj add before the closing tag

  <PropertyGroup>
    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
    <NoWarn>NU1701</NoWarn>
  </PropertyGroup>

Last solution is to suppress error for nuget stuff courtesy of Frith on Unreal Source discord, you can also reduce the importance of the error to warning instead of turning it off completely.

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