When attempting to launch DayZ through the official DayZ Launcher on Steam, the launcher immediately fails with no error.

Windows Event Viewer details Application Error and .NET Runtime Error

Sounds similar to DZG-2005

Troubleshooting already performed:

• Verified Integrity of Game Files

• Run as Administrator

• Cleared Documents Folder

• Launched without Mods

• Disabled NVIDIA, Steam Overlays

• Disabled HW Anti-Aliasing

• Up-to-date BIOS (1837), GPU drivers, .NET Framework (4.8.1)

• Toggled Steam Cloud Update

• Checked RAM and System Files, Windows Memory Diagnostic

• Clean reinstall of Windows 11

System information:

• Operating System: Windows 11 Home (10.0.26300)

• Game Platform: Steam

• Affected executable: DayZ_x64.exe

System:

• CPU: Intel i9-14900KF

• GPU: NVIDIA GeForce RTX 5080

• RAM: 64 GB

Information:
Fault bucket 1504371797491360569, type 5

Event Name: CLR20r3

Response: Not available

Cab Id: 0

Problem signature:

P1: DayZLauncher.exe

P2: 1.6.164.64

P3: 6ab0fd60

P4: PresentationFramework

P5: 4.8.10008.0

P6: 6ac8129c

P7: 2282

P8: 195

P9: System.NullReferenceException

P10:

Analysis symbol:

Rechecking for solution: 0

Report Id: 5610bc6a-0228-4a3e-9b4a-84c5765c3929

Report Status: 268435456

Hashed bucket: 265bd22a5683704ac4e09a2de796a339

Cab Guid: 0

Application Error:

Faulting application name: DayZLauncher.exe, version: 1.6.164.64, time stamp: 0x6ab0fd60

Faulting module name: PresentationFramework.ni.dll, version: 4.8.10008.0, time stamp: 0x6ac8129c

Exception code: 0xc0000005

Fault offset: 0x0090bbbb

Faulting process id: 0x1E9C

Faulting application start time: 0x1DD6579200B60C2

Faulting application path: C:\Program Files (x86)\Steam\steamapps\common\DayZ\DayZLauncher.exe

Faulting module path: C:\WINDOWS\assembly\NativeImages_v4.0.30319_32\Presentatio5ae0f00f#\6d56959b4a7c70a718accca30c12bec2\PresentationFramework.ni.dll

Report Id: 5610bc6a-0228-4a3e-9b4a-84c5765c3929

Faulting package full name:

Faulting package-relative application ID:

.NET Runtime
Application: DayZLauncher.exe

Framework Version: v4.0.30319

Description: The process was terminated due to an unhandled exception.

Exception Info: System.NullReferenceException

at System.Windows.Markup.WpfXamlLoader.TransformNodes(System.Xaml.XamlReader, System.Xaml.XamlObjectWriter, Boolean, Boolean, Boolean, System.Xaml.IXamlLineInfo, System.Xaml.IXamlLineInfoConsumer, MS.Internal.Xaml.Context.XamlContextStack`1<System.Windows.Markup.WpfXamlFrame>, System.Windows.Markup.IStyleConnector)

at System.Windows.Markup.WpfXamlLoader.Load(System.Xaml.XamlReader, System.Xaml.IXamlObjectWriterFactory, Boolean, System.Object, System.Xaml.XamlObjectWriterSettings, System.Uri)

at System.Windows.Markup.WpfXamlLoader.LoadBaml(System.Xaml.XamlReader, Boolean, System.Object, System.Xaml.Permissions.XamlAccessLevel, System.Uri)

at System.Windows.Markup.XamlReader.LoadBaml(System.IO.Stream, System.Windows.Markup.ParserContext, System.Object, Boolean)

at System.Windows.Application.LoadBamlStreamWithSyncInfo(System.IO.Stream, System.Windows.Markup.ParserContext)

at MS.Internal.AppModel.AppModelKnownContentFactory.BamlConverterCore(System.IO.Stream, System.Uri, Boolean, Boolean, Boolean, Boolean, System.Windows.Markup.XamlReader ByRef, Boolean)

at MS.Internal.AppModel.MimeObjectFactory.GetObjectAndCloseStreamCore(System.IO.Stream, MS.Internal.ContentType, System.Uri, Boolean, Boolean, Boolean, Boolean, System.Windows.Markup.XamlReader ByRef, Boolean)

at System.Windows.ResourceDictionary.set_Source(System.Uri)

at System.Windows.Baml2006.WpfSharedBamlSchemaContext+<>c.<Create_BamlProperty_ResourceDictionary_Source>b__344_0(System.Object, System.Object)

at System.Windows.Baml2006.WpfKnownMemberInvoker.SetValue(System.Object, System.Object)

at MS.Internal.Xaml.Runtime.ClrObjectRuntime.SetValue(System.Xaml.XamlMember, System.Object, System.Object)

at MS.Internal.Xaml.Runtime.ClrObjectRuntime.SetValue(System.Object, System.Xaml.XamlMember, System.Object)

at MS.Internal.Xaml.Runtime.PartialTrustTolerantRuntime.SetValue(System.Object, System.Xaml.XamlMember, System.Object)

at System.Xaml.XamlObjectWriter.Logic_ApplyPropertyValue(MS.Internal.Xaml.Context.ObjectWriterContext, System.Xaml.XamlMember, System.Object, Boolean)

at System.Xaml.XamlObjectWriter.Logic_DoAssignmentToParentProperty(MS.Internal.Xaml.Context.ObjectWriterContext)

at System.Xaml.XamlObjectWriter.Logic_AssignProvidedValue(MS.Internal.Xaml.Context.ObjectWriterContext)

at System.Xaml.XamlObjectWriter.WriteEndMember()

at System.Xaml.XamlWriter.WriteNode(System.Xaml.XamlReader)

at System.Windows.Markup.WpfXamlLoader.TransformNodes(System.Xaml.XamlReader, System.Xaml.XamlObjectWriter, Boolean, Boolean, Boolean, System.Xaml.IXamlLineInfo, System.Xaml.IXamlLineInfoConsumer, MS.Internal.Xaml.Context.XamlContextStack`1<System.Windows.Markup.WpfXamlFrame>, System.Windows.Markup.IStyleConnector)

at System.Windows.Markup.WpfXamlLoader.Load(System.Xaml.XamlReader, System.Xaml.IXamlObjectWriterFactory, Boolean, System.Object, System.Xaml.XamlObjectWriterSettings, System.Uri)

at System.Windows.Markup.WpfXamlLoader.LoadBaml(System.Xaml.XamlReader, Boolean, System.Object, System.Xaml.Permissions.XamlAccessLevel, System.Uri)

at System.Windows.Markup.XamlReader.LoadBaml(System.IO.Stream, System.Windows.Markup.ParserContext, System.Object, Boolean)

at System.Windows.Application.LoadComponent(System.Object, System.Uri)

at Launcher.App.InitializeComponent()

at Launcher.Program.StartGui(Launcher.InitArgs)

at Launcher.Program.HandleCommandLine()

at Launcher.Program.RunLauncher()

at Launcher.Program.Main(System.String[])

1. Use a Windows 11 system

2. Install DayZ through Steam

3. Open Steam Library and select DayZ

4. Choose "Run DayZ Launcher"

5. Observe that the launcher fails immediately without an error

DayZ Launcher to load normally.