Index: src/libchcore/TTaskManager.cpp
===================================================================
diff -u -N -rcdb4c898156398dd4f4bf8abd7c854eff42f6ae2 -r2e384de25de613cb582a966df7d1cb9468f1c825
--- src/libchcore/TTaskManager.cpp	(.../TTaskManager.cpp)	(revision cdb4c898156398dd4f4bf8abd7c854eff42f6ae2)
+++ src/libchcore/TTaskManager.cpp	(.../TTaskManager.cpp)	(revision 2e384de25de613cb582a966df7d1cb9468f1c825)
@@ -73,6 +73,15 @@
 	TTaskDefinition tTaskDefinition;
 	tTaskDefinition.Load(strTaskPath);
 
+	for (size_t stIndex = 0; stIndex < m_tTasks.GetCount(); ++stIndex)
+	{
+		const TTaskInfoEntry& rEntry = m_tTasks.GetAt(stIndex);
+		TTaskPtr spTask = rEntry.GetTask();
+
+		if (spTask->GetTaskName() == tTaskDefinition.GetTaskName())
+			THROW_CORE_EXCEPTION(eErr_TaskAlreadyExists);
+	}
+
 	return CreateTask(tTaskDefinition);
 }