**I found out that this error is related to the game's Launcher but I couldn't solve the problem. I've tried checking the files twice and reinstalling the game, but the problem still persists.
It generated a .txt on my desktop with the following**:
Arma 3 Launcher Exception Log
Arma 3 Launcher has encountered an unexpected error described below.
Sorry for the inconvenience.
Please report this on Arma 3 Feedback Tracker (http://feedback.arma3.com). Thanks to you we may fix the issue faster!
System information
Date: 2021-07-24 13:27:11 / 2021-07-24 10:27:11 -03
Current dir: C:\Program Files (x86)\Steam\steamapps\common\Arma 3
AppData dir: C:\Users\guida\AppData\Local
Command line: "C:\Program Files (x86)\Steam\steamapps\common\Arma 3\arma3launcher.exe"
Version: 1.5.147.738
CLR version: 4.0.30319.42000
OS Version: 10.0.19043.0 (Microsoft Windows NT 10.0.19043.0)
OS 64 bit: True
Process 64 bit: False
Personal dir: C:\Users\guida\Documents
Culture: pt-BR
UI Culture: pt-BR
Point of log: Unhandled Exception
Exception
System.Windows.Markup.XamlParseException: Add value to collection of type 'System.Windows.Input.InputBindingCollection' threw an exception. ---> System.BadImageFormatException: Não foi possível carregar arquivo ou assembly 'System.ServiceModel, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' ou uma de suas dependências. O módulo deveria conter um manifesto de assembly.
em System.Signature.GetSignature(Void* pCorSig, Int32 cCorSig, RuntimeFieldHandleInternal fieldHandle, IRuntimeMethodInfo methodHandle, RuntimeType declaringType) em System.Reflection.RuntimeMethodInfo.FetchNonReturnParameters() em System.Reflection.RuntimeMethodInfo.GetParametersNoCopy() em System.Reflection.RuntimePropertyInfo.GetIndexParametersNoCopy() em System.Reflection.RuntimePropertyInfo.GetIndexParameters() em System.ComponentModel.ReflectTypeDescriptionProvider.ReflectGetProperties(Type type) em System.ComponentModel.ReflectTypeDescriptionProvider.ReflectedTypeData.GetProperties() em System.ComponentModel.TypeDescriptor.TypeDescriptionNode.DefaultTypeDescriptor.System.ComponentModel.ICustomTypeDescriptor.GetProperties() em System.ComponentModel.TypeDescriptor.GetPropertiesImpl(Object component, Attribute[] attributes, Boolean noCustomTypeDesc, Boolean noAttributes) em System.Windows.PropertyPath.ResolvePropertyName(String name, Object item, Type ownerType, Object context, Boolean throwOnError) em MS.Internal.Data.PropertyPathWorker.GetInfo(Int32 k, Object item, SourceValueState& svs) em MS.Internal.Data.PropertyPathWorker.ReplaceItem(Int32 k, Object newO, Object parent) em MS.Internal.Data.PropertyPathWorker.UpdateSourceValueState(Int32 k, ICollectionView collectionView, Object newValue, Boolean isASubPropertyChange) em MS.Internal.Data.ClrBindingWorker.AttachDataItem() em System.Windows.Data.BindingExpression.Activate(Object item) em System.Windows.Data.BindingExpression.AttachToContext(AttachAttempt attempt) em System.Windows.Data.BindingExpression.OnInheritanceContextChanged(Object sender, EventArgs e) em System.Windows.WeakEventManager.ListenerList`1.DeliverEvent(Object sender, EventArgs e, Type managerType) em System.Windows.WeakEventManager.DeliverEventToList(Object sender, EventArgs args, ListenerList list) em System.Windows.WeakEventManager.DeliverEvent(Object sender, EventArgs args) em MS.Internal.InheritanceContextChangedEventManager.OnInheritanceContextChanged(Object sender, EventArgs args) em System.Windows.DependencyObject.OnInheritanceContextChanged(EventArgs args) em MS.Internal.InheritanceContextHelper.AddInheritanceContext(DependencyObject newInheritanceContext, DependencyObject value, Boolean& hasMultipleInheritanceContexts, DependencyObject& inheritanceContext) em System.Windows.Input.InputBinding.AddInheritanceContext(DependencyObject context, DependencyProperty property) em System.Windows.DependencyObject.ProvideSelfAsInheritanceContext(DependencyObject doValue, DependencyProperty dp) em System.Windows.Input.InputBindingCollection.Add(InputBinding inputBinding) em System.Windows.Input.InputBindingCollection.System.Collections.IList.Add(Object inputBinding) em System.Xaml.Schema.XamlTypeInvoker.AddToCollection(Object instance, Object item) em MS.Internal.Xaml.Runtime.ClrObjectRuntime.Add(Object collection, XamlType collectionType, Object value, XamlType valueXamlType) --- Fim do rastreamento de pilha de exceções internas --- em System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri) em System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri) em System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream) em System.Windows.Application.LoadComponent(Object component, Uri resourceLocator) em Launcher.MainWindow.InitializeComponent() em Launcher.MainWindow..ctor(InitArgs param) em Launcher.App.OnStartup(StartupEventArgs e) em System.Windows.Application.<.ctor>b__1_0(Object unused) em System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) em System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler) em System.Windows.Threading.DispatcherOperation.InvokeImpl() em System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state) em System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) em System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) em System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) em MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state) em System.Windows.Threading.DispatcherOperation.Invoke() em System.Windows.Threading.Dispatcher.ProcessQueue() em System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) em MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) em MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o) em System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) em System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler) em System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs) em MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam) em MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg) em System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame) em System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame) em System.Windows.Application.RunDispatcher(Object ignore) em System.Windows.Application.RunInternal(Window window) em System.Windows.Application.Run(Window window) em Launcher.Program.StartGui(InitArgs param) em Launcher.Program.HandleCommandLine() em Launcher.Program.RunLauncher() em Launcher.Program.Main(String[] args)
Modules and assemblies
- mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089; C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorlib.dll
- arma3launcher, Version=1.5.147.738, Culture=neutral, PublicKeyToken=null; C:\Program Files (x86)\Steam\steamapps\common\Arma 3\arma3launcher.exe
- log4net, Version=1.2.13.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a; C:\Program Files (x86)\Steam\steamapps\common\Arma 3\Launcher\log4net.dll
- System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089; C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System\v4.0_4.0.0.0__b77a5c561934e089\System.dll
- System.Configuration, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a; C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Configuration\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Configuration.dll
- System.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089; C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Core\v4.0_4.0.0.0__b77a5c561934e089\System.Core.dll
- System.Xml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089; C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Xml\v4.0_4.0.0.0__b77a5c561934e089\System.Xml.dll
- SharedResources, Version=1.5.147.738, Culture=neutral, PublicKeyToken=null; C:\Program Files (x86)\Steam\steamapps\common\Arma 3\Launcher\SharedResources.dll
- PresentationFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35; C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\PresentationFramework\v4.0_4.0.0.0__31bf3856ad364e35\PresentationFramework.dll
- WindowsBase, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35; C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\WindowsBase\v4.0_4.0.0.0__31bf3856ad364e35\WindowsBase.dll
- System.Xaml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089; C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Xaml\v4.0_4.0.0.0__b77a5c561934e089\System.Xaml.dll
- Utils, Version=1.5.147.738, Culture=neutral, PublicKeyToken=null; C:\Program Files (x86)\Steam\steamapps\common\Arma 3\Launcher\Utils.dll
- PresentationCore, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35; C:\WINDOWS\Microsoft.Net\assembly\GAC_32\PresentationCore\v4.0_4.0.0.0__31bf3856ad364e35\PresentationCore.dll
- UIAutomationTypes, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35; C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\UIAutomationTypes\v4.0_4.0.0.0__31bf3856ad364e35\UIAutomationTypes.dll
- UIAutomationProvider, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35; C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\UIAutomationProvider\v4.0_4.0.0.0__31bf3856ad364e35\UIAutomationProvider.dll
- mscorlib.resources, Version=4.0.0.0, Culture=pt-BR, PublicKeyToken=b77a5c561934e089; C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\mscorlib.resources\v4.0_4.0.0.0_pt-BR_b77a5c561934e089\mscorlib.resources.dll
- arma3launcher.resources, Version=1.5.147.738, Culture=pt-BR, PublicKeyToken=null; C:\Program Files (x86)\Steam\steamapps\common\Arma 3\Launcher\pt-BR\arma3launcher.resources.dll
- SharedResources.resources, Version=1.5.147.738, Culture=pt-BR, PublicKeyToken=null; C:\Program Files (x86)\Steam\steamapps\common\Arma 3\Launcher\pt-BR\SharedResources.resources.dll
- SharedResources.resources, Version=1.5.147.738, Culture=en-US, PublicKeyToken=null; C:\Program Files (x86)\Steam\steamapps\common\Arma 3\Launcher\en-US\SharedResources.resources.dll
- PresentationFramework.resources, Version=4.0.0.0, Culture=pt-BR, PublicKeyToken=31bf3856ad364e35; C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\PresentationFramework.resources\v4.0_4.0.0.0_pt-BR_31bf3856ad364e35\PresentationFramework.resources.dll
- Microsoft.GeneratedCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null; (dynamic assembly)
- System.Runtime.Serialization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089; C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Runtime.Serialization\v4.0_4.0.0.0__b77a5c561934e089\System.Runtime.Serialization.dll
- PresentationFramework-SystemXml, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089; C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\PresentationFramework-SystemXml\v4.0_4.0.0.0__b77a5c561934e089\PresentationFramework-SystemXml.dll
Assembly resolution
Resolving SharedResources.resources, Version=1.5.147.738, Culture=pt, PublicKeyToken=null
requested by: unknown resolved to: SharedResources.resources, Version=1.5.147.738, Culture=en-US, PublicKeyToken=null in C:\Program Files (x86)\Steam\steamapps\common\Arma 3\Launcher\en-US\SharedResources.resources.dll
Resolving SharedResources.resources, Version=1.5.147.738, Culture=pt, PublicKeyToken=null
requested by: unknown resolved to: SharedResources.resources, Version=1.5.147.738, Culture=en-US, PublicKeyToken=null in C:\Program Files (x86)\Steam\steamapps\common\Arma 3\Launcher\en-US\SharedResources.resources.dll
Resolving SharedResources.XmlSerializers, Version=1.5.147.738, Culture=neutral, PublicKeyToken=null
requested by: unknown not resolved
Resolving SharedResources.XmlSerializers
requested by: unknown not resolved
