Application in Break Mode

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srfpala asked Jun 8, '22 JunjieZhu-MSFT commented Jun 24, '22

Application in Break Mode

Using VS2022 Community Edition Win10 64 bit on a WinUI 3 Project
Code compiles clean and Rebuild Succeeds
Execution goes into Break mode with this error
System.DllNotFoundException: 'Unable to load DLL 'Microsoft.ui.xaml.dll' or one of its dependencies: The specified module could not be found. (0x8007007E)'

But Microsoft.ui.xaml.dll was downloaded and copied into
C:\Windows\SysWOW64 and into C:\Windows\System32

Any ideas as to what I should do ?

windows-app-sdk

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Answer 1 · 2022-06-08T18:22:59.863Z

Castorix31 answered Jun 8, '22 JunjieZhu-MSFT commented Jun 24, '22

But Microsoft.ui.xaml.dll was downloaded and copied into
C:\Windows\SysWOW64 and into C:\Windows\System32

You must not do that.
Microsoft.ui.xaml.dll is installed with the Windows App SDK Runtimes (downloads)
and has many dependencies

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srfpala · Jun 08 at 11:32 PM

I think I should remove Windows-App SDK using Powershell and then run
WindowsAppRuntimeInstall then
WindowsAppSDK.Cs.Extension..Standalone

Suggestions ?

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JunjieZhu-MSFT srfpala · Jun 13 at 06:28 AM

Is the problem resolved after installing Windows App SDK Runtimes?

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srfpala JunjieZhu-MSFT · Jun 14 at 11:36 PM

Downloaded 1.1 Installer (x64)
Ran WindowsAppRuntimeInstall.exe Which launched and
may have run within a DOS window – some statements appeared and the DOS window disappeared leaving no messages.
This may be normal….. but seems strange.
How would I know that it is correctly installed ???
Is there a test I can run ?
Bob

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