My new PC has a Qualcomm Snapdragon Processor. I have installed the .NET 10 Framework for ARM architecture. This is not recognized by ZPreview. So, I installed the "self-contained" version. Howver, this crashes:

Retrieving the COM class factory for component with CLSID {0E6D5BDD-D5F8-4692-A089-8BB88CDD37F4} failed due to the following error: 800700c1 ist keine zulässige Win32-Anwendung. (0x800700C1).

Here's the Details:

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************** Ausnahmetext **************
System.BadImageFormatException: Retrieving the COM class factory for component with CLSID {0E6D5BDD-D5F8-4692-A089-8BB88CDD37F4} failed due to the following error: 800700c1  ist keine zulässige Win32-Anwendung. (0x800700C1).
   at System.RuntimeTypeHandle.AllocateComObject(Void* pClassFactory)
   at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean wrapExceptions)
   at Zaap.ZPreview.PreviewHandlers.WindowsPreviewHostControl.TryStartPreview()
   at Zaap.ZPreview.PreviewHandlers.WindowsPreviewHostControl.<.ctor>b__14_1(Object _, EventArgs _)
   at System.Windows.Forms.Control.OnHandleCreated(EventArgs e)
   at System.Windows.Forms.Control.WmCreate(Message& m)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(HWND hWnd, UInt32 msg, WPARAM wparam, LPARAM lparam)


************** Geladene Assemblys **************
System.Private.CoreLib
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    Speicherort: C:\Progs\ZPreview\System.Private.CoreLib.dll
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ZPreview
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    Speicherort: C:\Progs\ZPreview\ZPreview.dll
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System.Runtime
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Runtime.dll
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Microsoft.Extensions.Hosting.Abstractions
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    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Hosting.Abstractions.dll
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System.ComponentModel
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.ComponentModel.dll
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System.Windows.Forms
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    Speicherort: C:\Progs\ZPreview\System.Windows.Forms.dll
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System.ComponentModel.Primitives
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    Speicherort: C:\Progs\ZPreview\System.ComponentModel.Primitives.dll
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System.Windows.Forms.Primitives
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Windows.Forms.Primitives.dll
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System.Private.Windows.Core
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Private.Windows.Core.dll
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System.Private.Windows.GdiPlus
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Private.Windows.GdiPlus.dll
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System.Drawing.Primitives
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Drawing.Primitives.dll
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System.Collections.Specialized
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Collections.Specialized.dll
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Microsoft.Extensions.DependencyInjection.Abstractions
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    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.DependencyInjection.Abstractions.dll
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System.Runtime.InteropServices
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Runtime.InteropServices.dll
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System.Threading
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Threading.dll
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System.Collections
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    Speicherort: C:\Progs\ZPreview\System.Collections.dll
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Microsoft.Extensions.Hosting
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    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Hosting.dll
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Microsoft.Extensions.Configuration.Abstractions
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Microsoft.Extensions.Logging.Abstractions
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    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Logging.Abstractions.dll
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Microsoft.Extensions.DependencyInjection
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System.Diagnostics.DiagnosticSource
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    Speicherort: C:\Progs\ZPreview\System.Diagnostics.DiagnosticSource.dll
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System.Diagnostics.Tracing
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Diagnostics.Tracing.dll
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Microsoft.Extensions.Configuration
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Configuration.dll
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Microsoft.Extensions.Configuration.EnvironmentVariables
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    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Configuration.EnvironmentVariables.dll
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Microsoft.Extensions.Configuration.CommandLine
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    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Configuration.CommandLine.dll
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Microsoft.Extensions.Primitives
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Primitives.dll
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Microsoft.Extensions.FileProviders.Abstractions
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    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.FileProviders.Abstractions.dll
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Microsoft.Extensions.FileProviders.Physical
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    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.FileProviders.Physical.dll
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Microsoft.Extensions.Configuration.FileExtensions
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    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Configuration.FileExtensions.dll
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Microsoft.Extensions.Configuration.Json
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    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Configuration.Json.dll
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Microsoft.Extensions.Configuration.UserSecrets
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Configuration.UserSecrets.dll
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Microsoft.Extensions.Configuration.Binder
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Configuration.Binder.dll
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System.Memory
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Memory.dll
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System.Linq
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Linq.dll
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System.IO.FileSystem.Watcher
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.IO.FileSystem.Watcher.dll
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System.Collections.Concurrent
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Collections.Concurrent.dll
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Microsoft.Extensions.FileSystemGlobbing
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.FileSystemGlobbing.dll
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System.Threading.Overlapped
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Threading.Overlapped.dll
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Microsoft.Win32.Primitives
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\Microsoft.Win32.Primitives.dll
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System.Text.Json
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Text.Json.dll
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System.Text.Encoding.Extensions
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    Speicherort: C:\Progs\ZPreview\System.Text.Encoding.Extensions.dll
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System.IO.Pipelines
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.IO.Pipelines.dll
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Microsoft.Extensions.Options
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Options.dll
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Microsoft.Extensions.Logging
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Logging.dll
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Microsoft.Extensions.Diagnostics
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Diagnostics.dll
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Microsoft.Extensions.Diagnostics.Abstractions
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Diagnostics.Abstractions.dll
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Microsoft.Extensions.Logging.Configuration
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Logging.Configuration.dll
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Microsoft.Extensions.Logging.Debug
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    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Logging.Debug.dll
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Microsoft.Extensions.Logging.EventSource
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    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Logging.EventSource.dll
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Microsoft.Extensions.Logging.EventLog
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    Speicherort: C:\Progs\ZPreview\Microsoft.Extensions.Logging.EventLog.dll
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Microsoft.Extensions.Logging.Console
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Microsoft.Extensions.Options.ConfigurationExtensions
    Assemblyversion: 10.0.0.0
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ZPreview.Abstractions
    Assemblyversion: 1.0.0.0
    Speicherort: C:\Progs\ZPreview\ZPreview.Abstractions.dll
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System.Console
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Console.dll
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System.Threading.Thread
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Threading.Thread.dll
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System.Diagnostics.EventLog
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Diagnostics.EventLog.dll
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System.ComponentModel.TypeConverter
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.ComponentModel.TypeConverter.dll
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System.Threading.ThreadPool
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    Speicherort: C:\Progs\ZPreview\System.Threading.ThreadPool.dll
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System.Drawing.Common
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Drawing.Common.dll
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System.ComponentModel.EventBasedAsync
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    Speicherort: C:\Progs\ZPreview\System.ComponentModel.EventBasedAsync.dll
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Accessibility
    Assemblyversion: 4.0.0.0
    Speicherort: C:\Progs\ZPreview\Accessibility.dll
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System.Numerics.Vectors
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Numerics.Vectors.dll
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Microsoft.Win32.SystemEvents
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    Speicherort: C:\Progs\ZPreview\Microsoft.Win32.SystemEvents.dll
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System.Runtime.Loader
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System.Windows.Forms.resources
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    Speicherort: C:\Progs\ZPreview\de\System.Windows.Forms.resources.dll
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System.Security.Cryptography
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    Speicherort: C:\Progs\ZPreview\System.Security.Cryptography.dll
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System.Text.Encodings.Web
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    Speicherort: C:\Progs\ZPreview\System.Text.Encodings.Web.dll
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System.Private.Uri
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    Speicherort: C:\Progs\ZPreview\System.Private.Uri.dll
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System.Reflection.Emit.Lightweight
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System.Reflection.Primitives
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Reflection.Primitives.dll
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System.Reflection.Emit.ILGeneration
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    Speicherort: C:\Progs\ZPreview\System.Reflection.Emit.ILGeneration.dll
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System.Collections.NonGeneric
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    Speicherort: C:\Progs\ZPreview\System.Collections.NonGeneric.dll
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ZaapZTreeState
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    Speicherort: C:\Progs\ZPreview\ZaapZTreeState.dll
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Zaap.Sentinel
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    Speicherort: C:\Progs\ZPreview\Zaap.Sentinel.dll
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Microsoft.Win32.Registry
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    Speicherort: C:\Progs\ZPreview\Microsoft.Win32.Registry.dll
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ZPreview.Core
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    Speicherort: C:\Progs\ZPreview\ZPreview.Core.dll
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ZPreview.PreviewHandlers
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    Speicherort: C:\Progs\ZPreview\ZPreview.PreviewHandlers.dll
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ZPreview.SQLitePreview
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    Speicherort: C:\Progs\ZPreview\ZPreview.SQLitePreview.dll
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System.Runtime.Intrinsics
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    Speicherort: C:\Progs\ZPreview\System.Runtime.Intrinsics.dll
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System.Diagnostics.StackTrace
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    Speicherort: C:\Progs\ZPreview\System.Diagnostics.StackTrace.dll
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System.Reflection.Metadata
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Reflection.Metadata.dll
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System.Collections.Immutable
    Assemblyversion: 10.0.0.0
    Speicherort: C:\Progs\ZPreview\System.Collections.Immutable.dll
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************** JIT-Debuggen **************

Does ZTreeWin run on a Snapdragon? I didn't think it would, so I configured ZPreview to be built for win-x64 only. I didn't expect the Windows Preview Handlers to work there either, but then, who knows...

Looking at the CLSID, it would appear that you do have the PowerToys preview handler(s) installed...

I can set it to build for 'AnyCPU', but I don't know how that would impact the COM interfaces those require. Or I could disable the Windows Preview Handlers in that case.

Do you get the same error when you select one of the built-in handlers, like Image, Text or Hex?

Does ZTreeWin run on a Snapdragon?

yes, it's running windows64, and Ztree is fine (pobably using the built-in emulation)

Do you get the same error when you select one of the built-in handlers, like Image, Text or Hex?

The error comes immediately after invoking ZPreview from within Ztree

Starting implementation work for the Snapdragon startup crash.

Implemented in f8dac4fd8677 on ticket-d2d9e5a5f3-snapdragon-startup-crash. Added graceful handling for architecture-incompatible Windows preview handlers and updated the ZPreview release/docs flow to publish win-x64 and win-arm64 archives. I could build ZPreview, build ZPreview.Tests, and publish win-x64/win-arm64 packages on Linux, but I could not run the WinForms/Desktop tests or verify COM preview activation on Windows ARM64 here, so leaving this in Review.