diff --git a/src/cpp/SingletonManager/PendingTasksManager.cpp b/src/cpp/SingletonManager/PendingTasksManager.cpp
index 35c28c72b..1f8071908 100644
--- a/src/cpp/SingletonManager/PendingTasksManager.cpp
+++ b/src/cpp/SingletonManager/PendingTasksManager.cpp
@@ -4,13 +4,17 @@
 
 
 PendingTasksManager::PendingTasksManager()
+	: mCheckForFinishedTimer(2000, 2000)
 {
-
+	//mCheckForFinishedTimer
 }
 
 PendingTasksManager::~PendingTasksManager()
 {
+	
 	Poco::ScopedLock<Poco::Mutex> _lock(mWorkMutex);
+	mCheckForFinishedTimer.stop();
+
 	for (auto it = mPendingTasks.begin(); it != mPendingTasks.end(); it++) {
 		delete it->second;
 	}
@@ -27,6 +31,9 @@ int PendingTasksManager::load()
 {
 	// they add them self to Pending Task Manager
 	auto pending_tasks = controller::PendingTask::loadAll();
+	Poco::TimerCallback<PendingTasksManager> callback(*this, &PendingTasksManager::checkForFinishedTasks);
+	mCheckForFinishedTimer.start(callback);
+
 	return 0;
 }
 
@@ -138,9 +145,11 @@ std::vector<Poco::AutoPtr<controller::PendingTask>>  PendingTasksManager::getTra
 		auto list = map_it->second;
 		for (auto list_it = list->begin(); list_it != list->end(); list_it++) 
 		{
-			auto transaction = dynamic_cast<model::gradido::Transaction*>(list_it->get());
-			if (transaction->mustSign(user)) {
-				transactions_to_sign.push_back(*list_it);
+			if ((*list_it)->getModel()->isGradidoTransaction()) {
+				auto transaction = dynamic_cast<model::gradido::Transaction*>(list_it->get());
+				if (transaction->mustSign(user)) {
+					transactions_to_sign.push_back(*list_it);
+				}
 			}
 		}
 	}
@@ -158,15 +167,45 @@ std::vector<Poco::AutoPtr<controller::PendingTask>> PendingTasksManager::getTran
 		auto list = map_it->second;
 		for (auto list_it = list->begin(); list_it != list->end(); list_it++)
 		{
-			auto transaction = dynamic_cast<model::gradido::Transaction*>(list_it->get());
-			if (transaction->needSomeoneToSign(user)) {
-				transactions_to_sign.push_back(*list_it);
+			if ((*list_it)->getModel()->isGradidoTransaction()) {
+				auto transaction = dynamic_cast<model::gradido::Transaction*>(list_it->get());
+				if (transaction->needSomeoneToSign(user)) {
+					transactions_to_sign.push_back(*list_it);
+				}
 			}
 		}
 	}
 	return transactions_to_sign;
 }
 
+void PendingTasksManager::checkForFinishedTasks(Poco::Timer& timer)
+{
+	Poco::ScopedLock<Poco::Mutex> _lock(mWorkMutex);
+
+	for (auto map_it = mPendingTasks.begin(); map_it != mPendingTasks.end(); map_it++)
+	{
+		auto list = map_it->second;
+		for (auto list_it = list->begin(); list_it != list->end(); list_it++)
+		{
+			if ((*list_it)->getModel()->isGradidoTransaction()) {
+				auto transaction = dynamic_cast<model::gradido::Transaction*>(list_it->get());
+				auto json = transaction->getModel()->getResultJson();
+				bool removeIt = false;
+				if (!json.isNull()) {
+					if (json->get("state").toString() == "success") {
+						removeIt = true;
+					}
+				}
+				if (removeIt) {
+					transaction->deleteFromDB();
+					list_it = list->erase(list_it);
+					if (!list->size()) break;
+				}
+			}
+		}
+	}
+}
+
 Poco::AutoPtr<controller::PendingTask> PendingTasksManager::getPendingTask(int pendingTaskId)
 {
 	Poco::ScopedLock<Poco::Mutex> _lock(mWorkMutex);
@@ -183,6 +222,7 @@ Poco::AutoPtr<controller::PendingTask> PendingTasksManager::getPendingTask(int p
 	return nullptr;
 }
 
+
 void PendingTasksManager::reportErrorToCommunityServer(Poco::AutoPtr<controller::PendingTask> task, std::string error, std::string errorDetails)
 {
 	// TODO: choose user specific server
diff --git a/src/cpp/SingletonManager/PendingTasksManager.h b/src/cpp/SingletonManager/PendingTasksManager.h
index cec9bc5b6..8444f32ea 100644
--- a/src/cpp/SingletonManager/PendingTasksManager.h
+++ b/src/cpp/SingletonManager/PendingTasksManager.h
@@ -17,8 +17,11 @@
 #include "../controller/User.h"
 #include "../model/gradido/Transaction.h"
 
-class PendingTasksManager: public UniLib::lib::MultithreadContainer
+class UserUpdateGroupPage;
+
+class PendingTasksManager: protected UniLib::lib::MultithreadContainer
 {
+	friend UserUpdateGroupPage;
 public:
 	typedef std::list<Poco::AutoPtr<controller::PendingTask>>  PendingTaskList;
 
@@ -34,6 +37,9 @@ public:
 	int addTask(Poco::AutoPtr<controller::PendingTask> task);
 	bool removeTask(Poco::AutoPtr<controller::PendingTask> task);
 
+	//! check if tasks can be removed
+	void checkForFinishedTasks(Poco::Timer& timer);
+
 	//! by calling this, important is to call lock to prevent vanishing the list while working with it,
 	//! and unlock afterwards
 	//! \return list or nullptr if no list for user exist
@@ -49,7 +55,7 @@ public:
 protected:
 	PendingTasksManager();
 
-	
+	Poco::Timer mCheckForFinishedTimer;
 	
 	
 	std::map<int, PendingTaskList*> mPendingTasks;
diff --git a/src/cpp/controller/PendingTask.cpp b/src/cpp/controller/PendingTask.cpp
index e36fdcc7d..2b991b580 100644
--- a/src/cpp/controller/PendingTask.cpp
+++ b/src/cpp/controller/PendingTask.cpp
@@ -87,10 +87,6 @@ namespace controller {
 	{
 		Poco::ScopedLock<Poco::Mutex> _lock(mWorkMutex);
 		auto result = mDBModel->deleteFromDB(); 
-		if (result) {
-
-			PendingTasksManager::getInstance()->removeTask(Poco::AutoPtr<PendingTask>(this, true));
-		}
 		return result;
 	}