diff --git a/wCenterWindow/CLogger.cpp b/wCenterWindow/CLogger.cpp
index 9bcc9a6..fe79fa3 100644
--- a/wCenterWindow/CLogger.cpp
+++ b/wCenterWindow/CLogger.cpp
@@ -28,14 +28,17 @@
 #include <filesystem>
 #include <strsafe.h>
 
-inline wchar_t* CLogger::GetTimeStamp() {
+inline wchar_t* CLogger::GetTimeStamp()
+{
 	GetLocalTime(&lt);
 	StringCchPrintfW(logTimeBuffer, _countof(logTimeBuffer), L"%d-%02d-%02d %02d:%02d:%02d.%03d | ", lt.wYear, lt.wMonth, lt.wDay, lt.wHour, lt.wMinute, lt.wSecond, lt.wMilliseconds);
 	return logTimeBuffer;
 }
 
-void CLogger::Out(const wchar_t* fmt, ...) {
-	if (fsLogFile.is_open()) {
+void CLogger::Out(const wchar_t* fmt, ...)
+{
+	if (fsLogFile.is_open())
+	{
 		va_list args;
 		va_start(args, fmt);
 		EnterCriticalSection(&cs);
@@ -46,16 +49,19 @@ void CLogger::Out(const wchar_t* fmt, ...) {
 	}
 }
 
-void CLogger::Init() {
+void CLogger::Init()
+{
 	wchar_t szPath[MAX_PATH] = { 0 };
 	DWORD dwPathLength = GetModuleFileNameW(NULL, szPath, MAX_PATH);
 	DWORD dwError = GetLastError();
-	if (ERROR_INSUFFICIENT_BUFFER == dwError) {
-		MessageBoxW(NULL, L"Warning!\nPath to log file is too long! Working without logging.", szAppTitle.c_str(), MB_OK | MB_ICONWARNING);
+	if (ERROR_INSUFFICIENT_BUFFER == dwError)
+	{
+		MessageBoxW(NULL, L"Warning!\nPath to log file is too long! Working without logging.", szAppTitle.c_str(), MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
 		return;
 	}
-	if (NULL == dwPathLength) {
-		MessageBoxW(NULL, L"Warning!\nCan't get application's filename! Working without logging.", szAppTitle.c_str(), MB_OK | MB_ICONWARNING);
+	if (NULL == dwPathLength)
+	{
+		MessageBoxW(NULL, L"Warning!\nCan't get application's filename! Working without logging.", szAppTitle.c_str(), MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
 		return;
 	}
 
@@ -69,26 +75,31 @@ void CLogger::Init() {
 	log_path = L"D:\\test.log";
 #endif
 	fsLogFile.open(log_path, std::ios::trunc);
-	if (fsLogFile.is_open()) {
+	if (fsLogFile.is_open())
+	{
 		InitializeCriticalSection(&cs);
 		fsLogFile << "\xEF\xBB\xBF";																// (0xEF, 0xBB, 0xBF) - UTF-8 BOM
 		fsLogFile.imbue(std::locale("en-US.utf8"));
 		fsLogFile << GetTimeStamp() << "[ " << szAppTitleVer.c_str() << " ] Start log." << std::endl;
 		fsLogFile << GetTimeStamp() << "Logfile: \"" << log_path.native() << "\"" << std::endl;
 	}
-	else {
-		MessageBoxW(NULL, L"Warning!\nCan't create log file! Working without logging.", szAppTitle.c_str(), MB_OK | MB_ICONWARNING);
+	else
+	{
+		MessageBoxW(NULL, L"Warning!\nCan't create log file! Working without logging.", szAppTitle.c_str(), MB_OK | MB_ICONWARNING | MB_SYSTEMMODAL);
 	}
 }
 
-CLogger::CLogger(const wchar_t* _appTitle) {
+CLogger::CLogger(const wchar_t* _appTitle)
+{
 	szAppTitle = _appTitle;
 	szAppTitleVer = _appTitle;
 	Init();
 }
 
-CLogger::~CLogger() {
-	if (fsLogFile) {
+CLogger::~CLogger()
+{
+	if (fsLogFile)
+	{
 		fsLogFile << GetTimeStamp() << "Stop log." << std::endl;
 		fsLogFile.close();
 		DeleteCriticalSection(&cs);