UE 5.1 Empty project - Unable to pack for Windows 11

Hi all,

I am using Unreal Engine 5.1.1 on Windows 11.
My packing target is Windows 11 desktop game.

I tried to pack an empty project to Windows 11 and I got a number of error messages.
I installed the last version of VS (2022) and SDK (10.0.22000.832 and 10.0.22621.755)
I attach the console output.

Any ideas of what is wrong?
Thank you for ANY help, which is very welcome.
David


UATHelper: Cooking (Windows): LogWindows: Error: appError called: Assertion failed: 0 [File:D:\build++UE5\Sync\Engine\Source\Runtime\ImageCore\Private\ImageCoreUtils.cpp] [Line: 76]
UATHelper: Cooking (Windows): LogWindows: Error: begin: stack for UAT
UATHelper: Cooking (Windows): LogWindows: Error: === Critical error: ===
UATHelper: Cooking (Windows): LogWindows: Error:
UATHelper: Cooking (Windows): LogWindows: Error: Assertion failed: 0 [File:D:\build++UE5\Sync\Engine\Source\Runtime\ImageCore\Private\ImageCoreUtils.cpp] [Line: 76]
UATHelper: Cooking (Windows): LogWindows: Error:
UATHelper: Cooking (Windows): LogWindows: Error:
UATHelper: Cooking (Windows): LogWindows: Error:
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ffa593b7c2b UnrealEditor-ImageCore.dll!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ffa11cd8e2d UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ffa11cae65f UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ffa11cbafa7 UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ffa11cbaa2c UnrealEditor-Engine.dll!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ffa0b63b3fb UnrealEditor-UnrealEd.dll!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ffa0b66cf8f UnrealEditor-UnrealEd.dll!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ffa0b6715b8 UnrealEditor-UnrealEd.dll!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ffa0b6818c7 UnrealEditor-UnrealEd.dll!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ffa0b6811a5 UnrealEditor-UnrealEd.dll!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ffa0b3df780 UnrealEditor-UnrealEd.dll!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ffa0b4016a3 UnrealEditor-UnrealEd.dll!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ff6a571b0ce UnrealEditor-Cmd.exe!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ff6a5712688 UnrealEditor-Cmd.exe!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ff6a571296a UnrealEditor-Cmd.exe!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ff6a5715680 UnrealEditor-Cmd.exe!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ff6a57271b4 UnrealEditor-Cmd.exe!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ff6a57296f2 UnrealEditor-Cmd.exe!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ffabc64269d KERNEL32.DLL!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error: [Callstack] 0x00007ffabe4ea9f8 ntdll.dll!UnknownFunction []
UATHelper: Cooking (Windows): LogWindows: Error:
UATHelper: Cooking (Windows): LogWindows: Error: end: stack for UAT
PackagingResults: Error: appError called: Assertion failed: 0 [File:D:\build++UE5\Sync\Engine\Source\Runtime\ImageCore\Private\ImageCoreUtils.cpp] [Line: 76]
PackagingResults: Error: begin: stack for UAT
PackagingResults: Error: === Critical error: ===
PackagingResults: Error: Assertion failed: 0 [File:D:\build++UE5\Sync\Engine\Source\Runtime\ImageCore\Private\ImageCoreUtils.cpp] [Line: 76]
PackagingResults: Error: [Callstack] 0x00007ffa593b7c2b UnrealEditor-ImageCore.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa11cd8e2d UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa11cae65f UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa11cbafa7 UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa11cbaa2c UnrealEditor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa0b63b3fb UnrealEditor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa0b66cf8f UnrealEditor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa0b6715b8 UnrealEditor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa0b6818c7 UnrealEditor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa0b6811a5 UnrealEditor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa0b3df780 UnrealEditor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffa0b4016a3 UnrealEditor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6a571b0ce UnrealEditor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6a5712688 UnrealEditor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6a571296a UnrealEditor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6a5715680 UnrealEditor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6a57271b4 UnrealEditor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6a57296f2 UnrealEditor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffabc64269d KERNEL32.DLL!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffabe4ea9f8 ntdll.dll!UnknownFunction []
PackagingResults: Error: end: stack for UAT
UATHelper: Cooking (Windows): Took 10,9746155s to run UnrealEditor-Cmd.exe, ExitCode=3
UATHelper: Cooking (Windows): ERROR: Cook failed.
UATHelper: Cooking (Windows): (see C:\Users\User\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_5.1\Log.txt for full exception trace)
UATHelper: Cooking (Windows): AutomationTool executed for 0h 0m 12s
UATHelper: Cooking (Windows): AutomationTool exiting with ExitCode=25 (Error_UnknownCookFailure)
PackagingResults: Error: Cook failed.
UATHelper: Cooking (Windows): BUILD FAILED

Dear all,

I deleted and re-installed Unreal Engine 5.1.1 and now it works flawlessly.
Thanks anyhow.
Cheers
David