Dont have time to read over a thousand issuse. You figure it out.

[Markuzzy39]

Description of the new feature / enhancement

ion.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Windows.Markup.XamlParseException: Set property 'System.Windows.ResourceDictionary.DeferrableContent' threw an exception. ---> System.ArgumentException: Item has already been added. Key in dictionary: 'SystemColorWindowColorBrush' Key being added: 'SystemColorWindowColorBrush' at System.Collections.Hashtable.Insert(Object key, Object nvalue, Boolean add) at System.Windows.ResourceDictionary.SetKeys(IList1 keyCollection, IServiceProvider serviceProvider) at MS.Internal.Xaml.Runtime.ClrObjectRuntime.SetValue(Object inst, XamlMember property, Object value) --- End of inner exception stack trace --- at System.Windows.Markup.XamlReader.RewrapException(Exception e, IXamlLineInfo lineInfo, Uri baseUri) at System.Windows.Markup.WpfXamlLoader.Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, Boolean skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri) at System.Windows.Markup.WpfXamlLoader.LoadBaml(XamlReader xamlReader, Boolean skipJournaledProperties, Object rootObject, XamlAccessLevel accessLevel, Uri baseUri) at System.Windows.Markup.XamlReader.LoadBaml(Stream stream, ParserContext parserContext, Object parent, Boolean closeStream) at System.Windows.Application.LoadBamlStreamWithSyncInfo(Stream stream, ParserContext pc) at MS.Internal.AppModel.AppModelKnownContentFactory.BamlConverterCore(Stream stream, Uri baseUri, Boolean canUseTopLevelBrowser, Boolean sandboxExternalContent, Boolean allowAsync, Boolean isJournalNavigation, XamlReader& asyncObjectConverter, Boolean isUnsafe) at MS.Internal.AppModel.MimeObjectFactory.GetObjectAndCloseStreamCore(Stream s, ContentType contentType, Uri baseUri, Boolean canUseTopLevelBrowser, Boolean sandboxExternalContent, Boolean allowAsync, Boolean isJournalNavigation, XamlReader& asyncObjectConverter, Boolean isUnsafe) at System.Windows.ResourceDictionary.set_Source(Uri value) at System.Windows.ThemeManager.GetThemeDictionary(ThemeMode themeMode) at System.Windows.ThemeManager.ApplyFluentOnWindow(Window window) at System.Windows.ThemeManager.OnWindowThemeChanged(Window window, ThemeMode oldThemeMode, ThemeMode newThemeMode) at System.Windows.ThemeManager.SyncWindowThemeMode(Window window) at System.Windows.TreeWalkHelper.InvalidateOnResourcesChange(FrameworkElement fe, FrameworkContentElement fce, ResourcesChangeInfo info) at System.Windows.ResourceDictionary.NotifyOwners(ResourcesChangeInfo info) at System.Windows.ResourceDictionary.OnMergedDictionariesChanged(Object sender, NotifyCollectionChangedEventArgs e) at System.Collections.ObjectModel.ObservableCollection1.OnCollectionChanged(NotifyCollectionChangedEventArgs e) at PowerLauncher.Helper.ThemeManager.SetSystemTheme(Theme theme) at PowerLauncher.Helper.ThemeManager.<>c__DisplayClass12_0.<UpdateTheme>b__0() at System.Windows.Threading.Dispatcher.Invoke(Action callback, DispatcherPriority priority, CancellationToken cancellationToken, TimeSpan timeout) at System.Windows.Threading.Dispatcher.Invoke(Action callback) at PowerLauncher.Helper.ThemeManager.UpdateTheme() at PowerLauncher.Helper.ThemeManager.OnUserPreferenceChanged(Object sender, UserPreferenceChangedEventArgs e) at InvokeStub_UserPreferenceChangedEventHandler.Invoke(Object, Span`1) at System.Reflection.MethodBaseInvoker.InvokeWithFewArgs(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) --- End of inner exception stack trace --- at System.Reflection.MethodBaseInvoker.InvokeWithFewArgs(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) at System.Delegate.DynamicInvokeImpl(Object[] args) at Microsoft.Win32.SystemEvents.SystemEventInvokeInfo.InvokeCallback(Object arg) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler

Scenario when this would be used?

trying to run at start

Supporting information

No response

[similar-issues-ai[bot]]

We've found some similar issues:

• #36411 , similarity score: 100%

If any of the above are duplicates, please consider closing this issue out and adding additional context in the original issue.

Note: You can give me feedback by 👍 or 👎 this comment.

[mantaionut]

@Markuzzy39 can you tell us how we can reproduce this or was it a random crash?

[davidegiacometti]

/dup #36389

[microsoft-github-policy-service[bot]]

Hi! We've identified this issue as a duplicate of another one that already exists on this Issue Tracker. This specific instance is being closed in favor of tracking the concern over on the referenced thread. Thanks for your report!