Seen this hang twice now. UI thread is is waiting for PowerShell command to run.
This was with .NET 2.1 runtime not installed so the PowerShell console could not run.
"Thread Pool Worker"
"GUI Thread" at <unknown> <0xffffffff>
at (wrapper managed-to-native) System.Threading.Monitor.Monitor_wait (object,int) [0x00009] in <e44d5b5a41a84b08b652eb0acc9ed4b6>:0
at System.Threading.Monitor.ObjWait (bool,int,object) [0x0002f] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/corlib/System.Threading/Monitor.cs:85
at System.Threading.Monitor.Wait (object,int,bool) [0x0000e] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/threading/monitor.cs:218
at System.Threading.Monitor.Wait (object,int) [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/threading/monitor.cs:228
at System.Threading.ManualResetEventSlim.Wait (int,System.Threading.CancellationToken) [0x00100] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/shared/System/Threading/ManualResetEventSlim.cs:607
at System.Threading.Tasks.Task.SpinThenBlockingWait (int,System.Threading.CancellationToken) [0x0002d] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:2892
at System.Threading.Tasks.Task.InternalWait (int,System.Threading.CancellationToken) [0x00069] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:2832
at System.Threading.Tasks.Task.Wait (int,System.Threading.CancellationToken) [0x00019] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:2742
at System.Threading.Tasks.Task.Wait () [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:2625
at MonoDevelop.PackageManagement.Scripting.RemotePowerShellHost.ExecuteCommand (string) [0x0001a] in <db95d05c515c44298c6af91add4c9f27>:0
at MonoDevelop.PackageManagement.Scripting.PackageManagementConsoleHost.UpdateWorkingDirectory (string) [0x00014] in <db95d05c515c44298c6af91add4c9f27>:0
at MonoDevelop.PackageManagement.Scripting.PackageManagementConsoleHost.UpdateWorkingDirectory () [0x0000a] in <db95d05c515c44298c6af91add4c9f27>:0
at MonoDevelop.PackageManagement.Scripting.PackageManagementConsoleHost.OnSolutionUnloaded () [0x00002] in <db95d05c515c44298c6af91add4c9f27>:0
at MonoDevelop.PackageManagement.Scripting.PackageManagementConsoleViewModel.SolutionUnloaded (object,MonoDevelop.Projects.SolutionEventArgs) [0x00014] in <db95d05c515c44298c6af91add4c9f27>:0
at (wrapper delegate-invoke) System.EventHandler`1<TEventArgs_REF>.invoke_void_object_TEventArgs (object,TEventArgs_REF) [0x00077] in <e44d5b5a41a84b08b652eb0acc9ed4b6>:0
at MonoDevelop.Ide.RootWorkspace.OnItemUnloaded (MonoDevelop.Projects.WorkspaceItem) [0x0002a] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1624
at MonoDevelop.Ide.RootWorkspace.NotifyDescendantItemRemoved (object,MonoDevelop.Projects.WorkspaceItemEventArgs) [0x0001a] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1596
at MonoDevelop.Ide.RootWorkspace.NotifyItemRemovedGui (MonoDevelop.Projects.WorkspaceItem,bool) [0x0009c] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1444
at MonoDevelop.Ide.RootWorkspace.NotifyItemRemoved (MonoDevelop.Projects.WorkspaceItem) [0x0001b] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1408
at MonoDevelop.Ide.RootWorkspaceItemCollection.OnItemsRemoved (System.Collections.Generic.IEnumerable`1<MonoDevelop.Projects.WorkspaceItem>) [0x0001f] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:1933
at MonoDevelop.Projects.ItemCollection`1<T_REF>.RemoveAt (int) [0x00025] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/ItemCollection.cs:150
at MonoDevelop.Projects.ItemCollection`1<T_REF>.Remove (T_REF) [0x00017] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/ItemCollection.cs:139
at MonoDevelop.Ide.RootWorkspace/<Close>d__88.MoveNext () [0x001fc] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:620
at System.Runtime.CompilerServices.AsyncMethodBuilderCore/MoveNextRunner.InvokeMoveNext (object) [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1092
at System.Threading.ExecutionContext.RunInternal (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool) [0x00071] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/threading/executioncontext.cs:968
at System.Threading.ExecutionContext.Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool) [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/threading/executioncontext.cs:910
at System.Runtime.CompilerServices.AsyncMethodBuilderCore/MoveNextRunner.Run () [0x00024] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1073
at System.Threading.Tasks.AwaitTaskContinuation.InvokeAction (object) [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/TaskContinuation.cs:601
at System.Threading.Tasks.AwaitTaskContinuation.RunCallback (System.Threading.ContextCallback,object,System.Threading.Tasks.Task&) [0x0000f] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/TaskContinuation.cs:628
at System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation.Run (System.Threading.Tasks.Task,bool) [0x00010] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/TaskContinuation.cs:406
at System.Threading.Tasks.Task.FinishContinuations () [0x000a3] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:3190
at System.Threading.Tasks.Task.FinishStageThree () [0x0003c] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:2222
at System.Threading.Tasks.Task`1<System.Threading.Tasks.VoidTaskResult>.TrySetResult (System.Threading.Tasks.VoidTaskResult) [0x0004f] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/Future.cs:422
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1<System.Threading.Tasks.VoidTaskResult>.SetResult (System.Threading.Tasks.VoidTaskResult) [0x0003d] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:608
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1<System.Threading.Tasks.VoidTaskResult>.SetResult (System.Threading.Tasks.Task`1<System.Threading.Tasks.VoidTaskResult>) [0x00010] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:636
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.SetResult () [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:378
at MonoDevelop.Ide.RootWorkspace/<SavePreferencesAsync>d__85.MoveNext () [0x000e4] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/RootWorkspace.cs:575
at System.Runtime.CompilerServices.AsyncMethodBuilderCore/MoveNextRunner.InvokeMoveNext (object) [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1092
at System.Threading.ExecutionContext.RunInternal (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool) [0x00071] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/threading/executioncontext.cs:968
at System.Threading.ExecutionContext.Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool) [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/threading/executioncontext.cs:910
at System.Runtime.CompilerServices.AsyncMethodBuilderCore/MoveNextRunner.Run () [0x00024] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1073
at System.Threading.Tasks.AwaitTaskContinuation.InvokeAction (object) [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/TaskContinuation.cs:601
at System.Threading.Tasks.AwaitTaskContinuation.RunCallback (System.Threading.ContextCallback,object,System.Threading.Tasks.Task&) [0x0000f] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/TaskContinuation.cs:628
at System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation.Run (System.Threading.Tasks.Task,bool) [0x00010] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/TaskContinuation.cs:406
at System.Threading.Tasks.Task.FinishContinuations () [0x000a3] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:3190
at System.Threading.Tasks.Task.FinishStageThree () [0x0003c] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:2222
at System.Threading.Tasks.Task`1<System.Threading.Tasks.VoidTaskResult>.TrySetResult (System.Threading.Tasks.VoidTaskResult) [0x0004f] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/Future.cs:422
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1<System.Threading.Tasks.VoidTaskResult>.SetResult (System.Threading.Tasks.VoidTaskResult) [0x0003d] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:608
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1<System.Threading.Tasks.VoidTaskResult>.SetResult (System.Threading.Tasks.Task`1<System.Threading.Tasks.VoidTaskResult>) [0x00010] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:636
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.SetResult () [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:378
at MonoDevelop.Projects.WorkspaceItem/<SaveUserProperties>d__61.MoveNext () [0x0011c] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/WorkspaceItem.cs:433
at System.Runtime.CompilerServices.AsyncMethodBuilderCore/MoveNextRunner.InvokeMoveNext (object) [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1092
at System.Threading.ExecutionContext.RunInternal (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool) [0x00071] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/threading/executioncontext.cs:968
at System.Threading.ExecutionContext.Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool) [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/threading/executioncontext.cs:910
at System.Runtime.CompilerServices.AsyncMethodBuilderCore/MoveNextRunner.Run () [0x00024] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1073
at System.Threading.Tasks.AwaitTaskContinuation.InvokeAction (object) [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/TaskContinuation.cs:601
at System.Threading.Tasks.AwaitTaskContinuation.RunCallback (System.Threading.ContextCallback,object,System.Threading.Tasks.Task&) [0x0000f] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/TaskContinuation.cs:628
at System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation.Run (System.Threading.Tasks.Task,bool) [0x00010] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/TaskContinuation.cs:406
at System.Threading.Tasks.Task.FinishContinuations () [0x000a3] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:3190
at System.Threading.Tasks.Task.FinishStageThree () [0x0003c] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:2222
at System.Threading.Tasks.Task`1<System.Threading.Tasks.VoidTaskResult>.TrySetResult (System.Threading.Tasks.VoidTaskResult) [0x0004f] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/Future.cs:422
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1<System.Threading.Tasks.VoidTaskResult>.SetResult (System.Threading.Tasks.VoidTaskResult) [0x0003d] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:608
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1<System.Threading.Tasks.VoidTaskResult>.SetResult (System.Threading.Tasks.Task`1<System.Threading.Tasks.VoidTaskResult>) [0x00010] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:636
at System.Runtime.CompilerServices.AsyncTaskMethodBuilder.SetResult () [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:378
at MonoDevelop.Projects.Solution/<OnSaveUserProperties>d__78.MoveNext () [0x000f8] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Core/MonoDevelop.Projects/Solution.cs:381
at System.Runtime.CompilerServices.AsyncMethodBuilderCore/MoveNextRunner.InvokeMoveNext (object) [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1092
at System.Threading.ExecutionContext.RunInternal (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool) [0x00071] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/threading/executioncontext.cs:968
at System.Threading.ExecutionContext.Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool) [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/threading/executioncontext.cs:910
at System.Runtime.CompilerServices.AsyncMethodBuilderCore/MoveNextRunner.Run () [0x00024] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1073
at System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation/<>c.<.cctor>b__7_0 (object) [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/external/corert/src/System.Private.CoreLib/src/System/Threading/Tasks/TaskContinuation.cs:379
at MonoDevelop.Ide.DispatchService/GtkSynchronizationContext/TimeoutProxy.HandlerInternal (intptr) [0x00014] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/DispatchService.cs:76
at (wrapper native-to-managed) MonoDevelop.Ide.DispatchService/GtkSynchronizationContext/TimeoutProxy.HandlerInternal (intptr) [0x00033] in <ba04e9ec89bc41bfae60145c9dca86b4>:0
at <unknown> <0xffffffff>
at (wrapper managed-to-native) Gtk.Application.gtk_main () [0x00011] in <ac4cf037d4034378af1b9cef819c4935>:0
at Gtk.Application.Run () [0x00000] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/gtk-sharp-None/gtk/Application.cs:145
at MonoDevelop.Ide.Extensions.IdeCustomizer.OnRun (System.Func`1<System.Threading.Tasks.Task`1<int>>,System.Action) [0x0001e] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Extensions/IdeCustomizer.cs:150
at MonoDevelop.Ide.IdeStartup.Run (MonoDevelop.Ide.MonoDevelopOptions) [0x0028e] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeStartup.cs:190
at MonoDevelop.Ide.IdeStartup.Main (string[],MonoDevelop.Ide.Extensions.IdeCustomizer) [0x00098] in /Users/builder/azdo/_work/1/s/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide/IdeStartup.cs:720
at VisualStudio.Startup.VisualStudioMain.Main (string[]) [0x00000] in /Users/builder/azdo/_work/1/s/main/src/core/VisualStudio.Startup/VisualStudio.Startup/VisualStudioMain.cs:40
at (wrapper runtime-invoke) <Module>.runtime_invoke_int_object (object,intptr,intptr,intptr) [0x0006f] in <0b10a3f644ca419a8cc19d4740168b1e>:0
Seen this hang twice now. UI thread is is waiting for PowerShell command to run.
This was with .NET 2.1 runtime not installed so the PowerShell console could not run.