I found this Stack Trace in the Event Viewer that may help
`This event is not displayed correctly because the underlying XML is not well formed. Below is the raw text of the event.
1026200x8000000000000044101ApplicationSPACEBOYApplication: devenv.exe Framework Version: v4.0.30319 Description: The process was terminated due to an unhandled exception. Exception Info: System.AccessViolationException at System.Runtime.Remoting.RemotingServices.AllocateUninitializedObject(System.RuntimeType) at System.Runtime.Remoting.Activation.ActivationServices.CreateInstance(System.RuntimeType) at System.Runtime.Remoting.Activation.ActivationServices.IsCurrentContextOK(System.RuntimeType, System.Object[], Boolean) at System.RuntimeTypeHandle.CreateInstance(System.RuntimeType, Boolean, Boolean, Boolean ByRef, System.RuntimeMethodHandleInternal ByRef, Boolean ByRef) at System.RuntimeType.CreateInstanceSlow(Boolean, Boolean, Boolean, System.Threading.StackCrawlMark ByRef) at System.RuntimeType.CreateInstanceDefaultCtor(Boolean, Boolean, Boolean, System.Threading.StackCrawlMark ByRef) at System.Activator.CreateInstance[System.Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089] at Microsoft.Web.Administration.ConfigurationManager.CreateAdminManager[[System.Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]](Microsoft.Web.Administration.WebConfigurationMap, Boolean, Boolean) at Microsoft.Web.Administration.ConfigurationManager.CreateWritableAdminManager(Microsoft.Web.Administration.WebConfigurationMap, System.String, Boolean, Boolean) at Microsoft.Web.Administration.ConfigurationManager.CreateConfiguration(Microsoft.Web.Administration.WebConfigurationMap, System.String, Boolean, Boolean) at Microsoft.Web.Administration.ConfigurationManager.GetConfiguration(Microsoft.Web.Administration.ConfigurationMap, System.String, System.String, Boolean, Boolean) at Microsoft.Web.Administration.ConfigurationManager.GetApplicationHostConfiguration(Microsoft.Web.Administration.ConfigurationMap) at Microsoft.Web.Administration.ServerManager.GetApplicationHostConfiguration() at Devsense.PHP.Config.IISExpress.ServerManagerWrapper.GetConfiguration() at Devsense.PHP.Config.IISExpress.ServerManagerWrapper.GetHandlersSection() at Devsense.PHP.Config.IISExpress.IISConfigHelper.Initialize() at Devsense.PHP.Nodes.Environments.IIS.IISServerConfiguration.Initialize() at Devsense.PHP.Nodes.Environments.IIS.IISServerConfiguration.TryGetUrlsForPath(System.String) at Devsense.PHP.Nodes.Environments.IIS.IISServerConfiguration.TryGetUrlForPath(System.String, System.String) at Devsense.PHP.Nodes.Environments.IIS.IISServerConfigurationExtensions.GetPhpExeForProjectInner(Devsense.PHP.Nodes.Environments.IIS.IISServerConfiguration, Devsense.PHP.Nodes.Providers.FolderInfo) at Devsense.PHP.Nodes.Environments.IIS.IISServerConfigurationExtensions.GetPhpExeForProject(Devsense.PHP.Nodes.Environments.IIS.IISServerConfiguration, Devsense.PHP.Nodes.Providers.FolderInfo) at Devsense.PHP.Nodes.Environments.IIS.EnvironmentProvider+<GetEnvironments>d1.MoveNext() at PHP.VisualStudio.Language.Nodes.Project.PhpEnvironmentResolverService+ . () at Devsense.VisualStudio.Shell.GuardedOperations.Call(System.Object, System.Action) at PHP.VisualStudio.Language.Nodes.Project.PhpEnvironmentResolverService. (System.Collections.Generic.IEnumerable1<Devsense.PHP.Nodes.Providers.IPhpEnvironmentProvider>, Devsense.PHP.Nodes.Providers.FolderInfo) at PHP.VisualStudio.Language.Nodes.Project.PhpEnvironmentResolverService.Devsense.PHP.Nodes.Providers.IPhpEnvironmentResolverService.ResolveCliEnvironment(Devsense.PHP.Nodes.Project.IProject) at Devsense.VisualStudio.Composer.ComposerEnabledProject.GetPhpInterpreterPathInternal(Boolean) at Devsense.VisualStudio.Composer.ComposerEnabledProject.CreateController() at Devsense.VisualStudio.Composer.ComposerEnabledProject..ctor(Devsense.PHP.Nodes.Project.IProject) at Devsense.VisualStudio.Composer.ComposerEnabledProject.Create(Devsense.PHP.Nodes.Project.IProject) at Devsense.VisualStudio.Composer.ComposerService.GetOrCreateComposerEnabledProject(Devsense.PHP.Nodes.Project.IProject, Boolean) at Devsense.VisualStudio.Composer.ComposerService.GetOrCreateComposerEnabledProject(Devsense.PHP.Nodes.Project.IProject) at .GetService[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]() at PHP.VisualStudio.Language.Nodes.Project.BuiltinPhpReferencesProvider+ ..ctor(Devsense.PHP.Nodes.Project.IProject) at PHP.VisualStudio.Language.Nodes.Project.BuiltinPhpReferencesProvider.Devsense.PHP.Nodes.Providers.IReferencesProvider.GetReferences(Devsense.PHP.Nodes.Project.IProject) at . (Devsense.PHP.Nodes.Providers.IReferencesProvider) at System.Linq.Enumerable+WhereSelectEnumerableIterator
2[[System.Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].MoveNext() at System.Linq.Enumerable+WhereEnumerableIterator1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].MoveNext() at System.Linq.Buffer
1[[System.Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]]..ctor(System.Collections.Generic.IEnumerable1<System.__Canon>) at System.Linq.Enumerable.ToArray[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]](System.Collections.Generic.IEnumerable
1<System.Canon>) at PHP.VisualStudio.Language.Nodes.Project.ProjectContainer.get_ReferenceProviders() at PHP.VisualStudio.Language.Nodes.Project.ProjectContainer.QueryReferences() at PHP.VisualStudio.Language.Nodes.Project.ProjectContainer.EnsureReferences() at PHP.VisualStudio.Language.Nodes.Project.ProjectContainer.get_References() at PHP.VisualStudio.Language.Nodes.Helpers.NodeHelpers+<EnumerateReferences>d11.MoveNext() at System.Linq.Enumerable+<OfTypeIterator>d951[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].MoveNext() at System.Linq.Enumerable.All[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]](System.Collections.Generic.IEnumerable
1<System.__Canon>, System.Func2<System.__Canon,Boolean>) at .CheckIfUpdateCompleted() at .Dispose() at PHP.VisualStudio.Language.TaskQueue. () at System.Threading.ThreadHelper.ThreadStart_Context(System.Object) at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean) at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean) at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object) at System.Threading.ThreadHelper.ThreadStart()