This occurred when I attempted to open the Help Library Manager
Win 7 64-Bit
SharpDevelop Version : 5.0.0.4053-Beta 2-c42c4dab
.NET Version : 4.0.30319.18444
OS Version : Microsoft Windows NT 6.1.7601 Service Pack 1
Current culture : English (United States) (en-US)
Running under WOW6432, processor architecture: x86-64
Working Set Memory : 175984kb
GC Heap Memory : 11354kb
Unhandled WPF exception
Exception thrown:
System.ArgumentNullException: Value cannot be null.
Parameter name: Help3Service.ActiveCatalog
at MSHelpSystem.Core.HelpLibraryManager.Start(Boolean runPrivileged)
at MSHelpSystem.Commands.LaunchHelpLibraryManager.Run()
at ICSharpCode.Core.AbstractMenuCommand.System.Windows.Input.ICommand.Execute(Object parameter)
at ICSharpCode.Core.CommandWrapper.Execute(Object parameter)
at MS.Internal.Commands.CommandHelpers.CriticalExecuteCommandSource(ICommandSource commandSource, Boolean userInitiated)
at System.Windows.Controls.MenuItem.InvokeClickAfterRender(Object arg)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
---- Recent log messages:
21:48:37.473 [1] DEBUG - NavigationService
ActiveViewContent: AddIn Scout
Subview: TabPageText
21:48:37.473 [1] DEBUG - ActiveViewContentChanged to AddInScout.AddInScoutViewContent
21:48:39.317 [1] DEBUG - ActiveViewContentChanged to
21:48:39.317 [1] DEBUG - ActiveContentChanged to ICSharpCode.StartPage.StartPageViewContent
21:48:39.317 [1] DEBUG - ActiveWorkbenchWindowChanged to [AvalonWorkbenchWindow: Start Page]
21:48:39.317 [1] DEBUG - NavigationService
ActiveViewContent: Start Page
Subview: TabPageText
21:48:39.317 [1] DEBUG - ActiveViewContentChanged to ICSharpCode.StartPage.StartPageViewContent
21:49:10.432 [1] INFO - Open file http://www.sharpdevelop.net/OpenSource/SharpZipLib/
21:49:10.432 [1] DEBUG - Service startup: ICSharpCode.SharpDevelop.Workbench.IDisplayBindingService
21:49:10.495 [1] INFO - Loading addin Microsoft Help System v1.0
21:49:10.557 [1] DEBUG - OpenedFileClosed: http://www.sharpdevelop.net/OpenSource/SharpZipLib/
21:49:10.557 [1] DEBUG - ActiveContentChanged to ICSharpCode.SharpDevelop.BrowserDisplayBinding.BrowserPane
21:49:10.557 [1] DEBUG - ActiveWorkbenchWindowChanged to [AvalonWorkbenchWindow: Browser]
21:49:10.557 [1] DEBUG - NavigationService
ActiveViewContent: Browser
Subview: TabPageText
21:49:10.557 [1] DEBUG - ActiveViewContentChanged to ICSharpCode.SharpDevelop.BrowserDisplayBinding.BrowserPane
21:50:05.680 [1] DEBUG - ActiveViewContentChanged to
21:50:05.680 [1] DEBUG - ActiveContentChanged to ICSharpCode.StartPage.StartPageViewContent
21:50:05.727 [1] DEBUG - ActiveWorkbenchWindowChanged to [AvalonWorkbenchWindow: Start Page]
21:50:05.727 [1] DEBUG - NavigationService
ActiveViewContent: Start Page
Subview: TabPageText
21:50:05.727 [1] DEBUG - ActiveViewContentChanged to ICSharpCode.StartPage.StartPageViewContent
21:50:15.370 [1] DEBUG - HelpViewer: HelpLibraryManager is "C:\Program Files\Microsoft Help Viewer\v1.0\HelpLibManager.exe"
21:50:15.370 [1] DEBUG - HelpViewer: 0 HelpLibraryManager processes found
21:50:15.370 [1] DEBUG - HelpViewer: HelpLibraryManager is "C:\Program Files\Microsoft Help Viewer\v1.0\HelpLibManager.exe"
21:50:15.385 [1] DEBUG - HelpViewer: OnCatalogsUpdated event raised
21:50:15.385 [1] ERROR - Unhandled WPF exception
--> Exception:
System.ArgumentNullException: Value cannot be null.
Parameter name: Help3Service.ActiveCatalog
at MSHelpSystem.Core.HelpLibraryManager.Start(Boolean runPrivileged)
at MSHelpSystem.Commands.LaunchHelpLibraryManager.Run()
at ICSharpCode.Core.AbstractMenuCommand.System.Windows.Input.ICommand.Execute(Object parameter)
at ICSharpCode.Core.CommandWrapper.Execute(Object parameter)
at MS.Internal.Commands.CommandHelpers.CriticalExecuteCommandSource(ICommandSource commandSource, Boolean userInitiated)
at System.Windows.Controls.MenuItem.InvokeClickAfterRender(Object arg)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)
---- Post-error application state information:
Installed 3rd party AddIns:
ProjectService.CurrentSolution: <null>
ProjectService.CurrentProject: <null>
Workbench.ActiveContent: ICSharpCode.StartPage.StartPageViewContent