ObjectDisposedException at System.Windows.Forms.Control.CreateHandle() at System.Windows.Forms.TextBoxBase.CreateHandle() at System.Windows.Forms.TextBoxBase.SetSelectedTextInternal(String text, Boolean clearUndo) at System.Windows.Forms.TextBoxBase.AppendText(String text) at System.Diagnostics.Process.ErrorReadNotifyUser(String data) at System.Diagnostics.AsyncStreamReader.FlushMessageQueue() at System.Diagnostics.AsyncStreamReader.GetLinesFromStringBuilder() at System.Diagnostics.AsyncStreamReader.ReadBuffer(IAsyncResult ar) at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.IO.Stream.ReadWriteTask.System.Threading.Tasks.ITaskCompletionAction.Invoke(Task completingTask) at System.Threading.Tasks.Task.FinishContinuations() at System.Threading.Tasks.Task.Finish(Boolean bUserDelegateExecuted) at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot) at System.Threading.Tasks.Task.ExecuteEntry(Boolean bPreventDoubleExecution) at System.Threading.ThreadPoolWorkQueue.Dispatch()