diff --git a/wCenterWindow/updater.cpp b/wCenterWindow/updater.cpp
index 18e5bfb..9d779b9 100644
--- a/wCenterWindow/updater.cpp
+++ b/wCenterWindow/updater.cpp
@@ -27,14 +27,17 @@ std::wstring ConvertUtf8ToWide(const std::string& str);
 UINT WINAPI Updater(LPVOID)
 {
 	logger.Out(L"Entering the %s() function", TEXT(__FUNCTION__));
+	logger.Out(L"[UPDT] Sleeping %d seconds", T0);
+
+	Sleep(T0 * 1000);																				// 10 seconds
 
 	if (!GetLatestRelease(GITHUB_URI))
 	{
 		logger.Out(L"[UPDT] %s(%d): Failed getting releases!", TEXT(__FUNCTION__), __LINE__);
 
 		MessageBoxW(NULL, L"Failed getting releases!", szTitle, MB_OK | MB_ICONERROR);
-		_endthreadex(101);
 		return 101;
+		_endthreadex(101);
 	}
 
 	std::wstring j_tag_name, j_file_name, j_file_ext, j_file_url, j_page_url;
@@ -52,8 +55,8 @@ UINT WINAPI Updater(LPVOID)
 		{
 			std::string u = (*it).second.get<std::string>();
 			logger.Out(L"[UPDT] %s(%d): Error! The url is %s", TEXT(__FUNCTION__), __LINE__, u);
-			_endthreadex(102);
 			return 102;
+			_endthreadex(102);
 		}
 
 		for (it = obj.begin(); it != obj.end(); it++)
@@ -76,8 +79,8 @@ UINT WINAPI Updater(LPVOID)
 	else
 	{
 		logger.Out(L"[UPDT] %s(%d): Error! Cannot recognize JSON object!", TEXT(__FUNCTION__), __LINE__);
-		_endthreadex(103);
 		return 103;
+		_endthreadex(103);
 	}
 
 	size_t pos = 0;
@@ -116,8 +119,8 @@ UINT WINAPI Updater(LPVOID)
 
 	logger.Out(L"[UPDT] Exit from the %s() function", TEXT(__FUNCTION__));
 
-	_endthreadex(0);
 	return 0;
+	_endthreadex(0);
 }
 
 bool GetLatestRelease(const std::wstring& urn)
diff --git a/wCenterWindow/wCenterWindow.cpp b/wCenterWindow/wCenterWindow.cpp
index 4370f09..1ebfe0b 100644
--- a/wCenterWindow/wCenterWindow.cpp
+++ b/wCenterWindow/wCenterWindow.cpp
@@ -237,13 +237,13 @@ LRESULT CALLBACK WndProc(HWND hMainWnd, UINT message, WPARAM wParam, LPARAM lPar
 
 			if (fCheckUpdates)
 			{
-				if (!SetTimer(hMainWnd, IDT_TIMER, 30000, NULL))										// 30 seconds
+				if (!SetTimer(hMainWnd, IDT_TIMER, (T1 * 1000 - T0 * 1000), NULL))					// 50 seconds
 				{
 					logger.Out(L"%s(%d): Creating timer failed!", TEXT(__FUNCTION__), __LINE__);
 					ShowError(IDS_ERR_TIMER);
 					fCheckUpdates = FALSE;
 				}
-				logger.Out(L"%s(%d): Timer successfully created", TEXT(__FUNCTION__), __LINE__);
+				logger.Out(L"%s(%d): Timer successfully created (%d sec)", TEXT(__FUNCTION__), __LINE__, (T1 - T0));
 			}
 
 #ifndef _DEBUG
@@ -284,13 +284,13 @@ LRESULT CALLBACK WndProc(HWND hMainWnd, UINT message, WPARAM wParam, LPARAM lPar
 				}
 				else
 				{
-					if (!SetTimer(hMainWnd, IDT_TIMER, 86400000, NULL))									// 1 day
+					if (!SetTimer(hMainWnd, IDT_TIMER, (T2 * 1000), NULL))							// 1 day
 					{
 						logger.Out(L"%s(%d): Creating timer failed!", TEXT(__FUNCTION__), __LINE__);
 						ShowError(IDS_ERR_TIMER);
 						fCheckUpdates = FALSE;
 					}
-					logger.Out(L"%s(%d): Timer successfully created", TEXT(__FUNCTION__), __LINE__);
+					logger.Out(L"%s(%d): Timer successfully created (%d sec)", TEXT(__FUNCTION__), __LINE__, T2);
 				}
 			}
 			else
diff --git a/wCenterWindow/wCenterWindow.h b/wCenterWindow/wCenterWindow.h
index c9d8a50..7599514 100644
--- a/wCenterWindow/wCenterWindow.h
+++ b/wCenterWindow/wCenterWindow.h
@@ -4,6 +4,10 @@
 #pragma once
 #include "resource.h"
 
+#define T0 10
+#define T1 60
+#define T2 86400
+
 #define MAX_LOADSTRING 50
 
 // Windows Header Files