diff --git a/ECTrainer2/ECTrainer.cpp b/ECTrainer2/ECTrainer.cpp
index 2560f56..0fa1082 100644
--- a/ECTrainer2/ECTrainer.cpp
+++ b/ECTrainer2/ECTrainer.cpp
@@ -39,6 +39,9 @@
 
 // ������
 bool ECTrainer::Process() {
+	PWorker()->EventLog(_T(""));
+	PWorker()->EventLog(_T("Software Start"));
+
 	// �v���Z�X������
 	for (int i = 0; i < (int)PROC::NUM; i++) {
 		if (!_pProcs[i]->Init()) return false;
diff --git a/ECTrainer2/ECTrainer.h b/ECTrainer2/ECTrainer.h
index 0e3db05..b40426b 100644
--- a/ECTrainer2/ECTrainer.h
+++ b/ECTrainer2/ECTrainer.h
@@ -6,8 +6,8 @@
 
 //#define TOBII_ADDR "192.168.71.50"
 #define TOBII_ADDR "192.168.23.155"
-#define EYEDEVICE_GLASS2
-//#define EYEDEVICE_NONE
+//#define EYEDEVICE_GLASS2
+#define EYEDEVICE_NONE
 
 class BaseProcess;
 class ECTrainerGUI;
diff --git a/ECTrainer2/ECTrainerGUI.cpp b/ECTrainer2/ECTrainerGUI.cpp
index 3b70790..345fe5d 100644
--- a/ECTrainer2/ECTrainerGUI.cpp
+++ b/ECTrainer2/ECTrainerGUI.cpp
@@ -18,7 +18,6 @@
 // �R���X�g���N�^
 ECTrainerGUI::ECTrainerGUI(ECTrainer* pEct) : BaseProcess(pEct)
 	, _hWndMain(NULL)
-	, _Booting(true)
 {
 }
 
@@ -157,12 +156,6 @@
 		((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::SOFTWARE_END);
 	}
 
-	// �����GUI�\�������������Ƃ���ŋN�����b�Z�[�W���M
-	if (_Booting) {
-		_Booting = false;
-		((BaseProcess*)_pEct->PWorker())->PostMsg(ECTMSG::SOFTWARE_START);
-	}
-
 	Sleep(1);
 
 	return true;
diff --git a/ECTrainer2/ECTrainerGUI.h b/ECTrainer2/ECTrainerGUI.h
index 5062b8e..361d6c0 100644
--- a/ECTrainer2/ECTrainerGUI.h
+++ b/ECTrainer2/ECTrainerGUI.h
@@ -26,7 +26,6 @@
 	cv::Mat _Logo;			// ���S
 	cv::Mat _blank;			// �u�����N
 	HWND _hWndMain;			// ���C���E�C���h�E�̃n���h��
-	BOOL _Booting;			// �N������t���O
 
 	// ��{����
 	bool Routine();
diff --git a/ECTrainer2/SceneCamera.cpp b/ECTrainer2/SceneCamera.cpp
index 99ef7e0..c5c6676 100644
--- a/ECTrainer2/SceneCamera.cpp
+++ b/ECTrainer2/SceneCamera.cpp
@@ -25,7 +25,8 @@
 	_pEct->PWorker()->EventLog(_T("Generic camera connected."));
 #endif
 	if (!_SceneCam.isOpened()) {
-		MessageBox(NULL, _T("cannot open camera " TOBII_ADDR), NULL, 0);
+		MessageBox(NULL, _T("Cannot connect camera."), NULL, 0);
+		_pEct->PWorker()->EventLog(_T("Cannot connect camera."));
 		return false;
 	}
 	// �摜�T�C�Y��ۑ�
diff --git a/ECTrainer2/TobiiREST.cpp b/ECTrainer2/TobiiREST.cpp
index 4167f1e..523be25 100644
--- a/ECTrainer2/TobiiREST.cpp
+++ b/ECTrainer2/TobiiREST.cpp
@@ -1,6 +1,7 @@
 #include "ECTrainer.h"
 #include "TobiiREST.h"
 #include "ECTrainerGUI.h"
+#include "Worker.h"
 #include "myWinUtils.h"
 
 // �R���X�g���N�^
@@ -33,6 +34,7 @@
 	catch (const std::exception & e)
 	{
 		UNREFERENCED_PARAMETER(e);	// e.what() ���}���`�o�C�g������Ȃ̂Ŏg���Ȃ�
+		_pEct->PWorker()->EventLog(_T("Can't connect Tobii Device."));
 		_pEct->MsgBox(_T("Can't connect Tobii Device."), MB_ICONERROR);
 		return false;
 	}
diff --git a/ECTrainer2/Worker.cpp b/ECTrainer2/Worker.cpp
index 79f88db..667b49c 100644
--- a/ECTrainer2/Worker.cpp
+++ b/ECTrainer2/Worker.cpp
@@ -33,13 +33,6 @@
 
 // ������
 bool Worker::Init() {
-	if (_tfopen_s(&_fpLogData, DATA_LOG_FILE, _T("w")) != 0) {
-		_pEct->MsgBox(_T("Can't open data log file."), MB_ICONERROR);
-		return false;
-	}
-	_ftprintf(_fpLogData, _T("time,stimNo,stimTime,gazeVx,gazeVy,gazeIx,gazeIy,target,contact time,Feedback,RR,"
-		"H11,H12,H13,H21,H22,H23,H31,H32,H33\n"));
-
 
 	_AppStatus = APP_STATUS::IDLE;
 
@@ -119,14 +112,14 @@
 	}
 
 	// ���O�o��
-	if (stimNo >= 0) {
+	if (stimNo >= 0 && _fpLogData != NULL) {
 		_ftprintf(_fpLogData, _T("%.3f"), _pExpTimer->Elapse() / 1000.);	// �o�ߎ���
 		_ftprintf(_fpLogData, _T(",%d"), stimNo);	// �h���f�[�^�ԍ�
 		_ftprintf(_fpLogData, _T(",%.3f"), _pEct->PStimulus()->GetStimTime() / 1000.);	// �h���񎦂̌o�ߎ���
 		_ftprintf(_fpLogData, _T(",%.1f,%.1f"), gazeV.x, gazeV.y);	// �����_�i����J�������W�j
 		_ftprintf(_fpLogData, _T(",%.1f,%.1f"), gazeI.x, gazeI.y);	// �����_�i�摜���W�j
 		_ftprintf(_fpLogData, _T(",%d"), hit + 1);	// �^�[�Q�b�g����
-		_ftprintf(_fpLogData, _T(",%.2f"), hit < 0 ? -1 : _pContactTimer->Elapse()/1000.);	// �ڕW�R���^�N�g����
+		_ftprintf(_fpLogData, _T(",%.2f"), hit < 0 ? -1 : _pContactTimer->Elapse() / 1000.);	// �ڕW�R���^�N�g����
 		_ftprintf(_fpLogData, _T(",%d"), fb);	// �t�B�[�h�o�b�N
 		_ftprintf(_fpLogData, _T(",%d"), _pEct->PBitalMonitor()->GetRR());	// �o�C�^���o��(RR�Ԋu�j
 		// �z���O���t�B�s��o��
@@ -156,7 +149,6 @@
 	switch (msg.message) {
 
 	case (int)ECTMSG::SOFTWARE_START: // �\�t�g�E�F�A�N��
-		this->EventLog(_T("\nSoftware Start"));
 		break;
 
 	case (int)ECTMSG::SOFTWARE_END: // �\�t�g�E�F�A�I��
@@ -188,7 +180,7 @@
 
 	case (int)ECTMSG::EXP_START: // �����J�n
 		if (_AppStatus == APP_STATUS::IDLE) {
-
+			this->OpenDataLog();
 			this->EventLog(_T("Experiment Start"));
 			_pExpTimer->Reset();
 			this->ResetParams();
@@ -199,6 +191,7 @@
 
 	case (int)ECTMSG::EXP_STOP: // ������~
 		if (_AppStatus == APP_STATUS::STIM) {
+			this->CloseDataLog();
 			_AppStatus = APP_STATUS::IDLE;
 			((BaseProcess*)_pEct->PStimulus())->PostMsg(ECTMSG::EXP_STOP);
 			this->EventLog(_T("Experiment Stopped"));
@@ -207,7 +200,7 @@
 
 	case (int)ECTMSG::EXP_END: // �����I��
 		if (_AppStatus == APP_STATUS::STIM) {
-			if (_fpLogData) fclose(_fpLogData);
+			this->CloseDataLog();
 			_AppStatus = APP_STATUS::IDLE;
 			((BaseProcess*)_pEct->PStimulus())->PostMsg(ECTMSG::EXP_END);
 			this->EventLog(_T("Experiment Finished"));
@@ -258,6 +251,30 @@
 	return true;
 }
 
+// �f�[�^���O�t�@�C�����J��
+void Worker::OpenDataLog() {
+	this->CloseDataLog();	// �O�̂��ߕ‚���
+
+	auto filename = DATA_LOG_FILE + mwut::Multi2Wide(mwut::DateTimeStr()) + _T(".csv");
+
+	if (_tfopen_s(&_fpLogData, filename.c_str(), _T("w")) != 0) {
+		_pEct->MsgBox(_T("Can't open data log file."), MB_ICONERROR);
+		return;
+	}
+
+	// �w�b�_�s
+	_ftprintf(_fpLogData, _T("time,stimNo,stimTime,gazeVx,gazeVy,gazeIx,gazeIy,target,contact time,Feedback,RR,"
+		"H11,H12,H13,H21,H22,H23,H31,H32,H33\n"));
+}
+
+// �f�[�^���O�t�@�C�����J��
+void Worker::CloseDataLog() {
+	if (_fpLogData) {
+		fclose(_fpLogData);
+		_fpLogData = NULL;
+	}
+}
+
 // �C�x���g���O�o��
 void Worker::EventLog(const TCHAR* msg) {
 
@@ -267,9 +284,13 @@
 		return;
 	}
 
-	std::wstring datestr = mwut::Multi2Wide(mwut::DateTimeStr());
-	_ftprintf(fp, _T("%s %s\n"), datestr.c_str(), msg);
-	mwut::DebugPrintf(_T("%s %s\n"), datestr.c_str(), msg);
+	if (_tcslen(msg) < 1) {
+		_ftprintf(fp, _T("\n"));
+	} else {
+		std::wstring datestr = mwut::Multi2Wide(mwut::DateTimeStr());
+		_ftprintf(fp, _T("%s %s\n"), datestr.c_str(), msg);
+		mwut::DebugPrintf(_T("%s %s\n"), datestr.c_str(), msg);
+	}
 
 	fclose(fp);
 }
diff --git a/ECTrainer2/Worker.h b/ECTrainer2/Worker.h
index 906f7d0..29083ba 100644
--- a/ECTrainer2/Worker.h
+++ b/ECTrainer2/Worker.h
@@ -27,7 +27,7 @@
 	const TCHAR* SOUND_GREAT = _T("../voices/Great_S.wav");
 	const TCHAR* SOUND_EXCELLENT = _T("../voices/Excellent_S.wav");
 	const TCHAR* SOUND_GOOUT = _T("../voices/KbdKeyTap.wav");
-	const TCHAR* DATA_LOG_FILE = _T("LogData.csv");
+	const TCHAR* DATA_LOG_FILE = _T("LogData");
 	const TCHAR* EVENT_LOG_FILE = _T("LogEvent.txt");
 	const int FEEDBACK_TIME = 3000;	// �t�B�[�h�o�b�N�̎��ԁi1���x���jmsec
 	const int NOHIT_TIME = 100;		// �������O�ꂽ�Ɣ��肷�鎞�� msec
@@ -47,6 +47,10 @@
 	bool EventProc(MSG& msg);
 	// ����p�����[�^�����Z�b�g
 	void ResetParams();
+	// �f�[�^���O�t�@�C�����J��
+	void OpenDataLog();
+	// �f�[�^���O�t�@�C�����J��
+	void CloseDataLog();
 
 	std::string ClassName() { return "Worker"; }	// FPS�\��