diff --git a/ZCppMain/ZMainHead.H b/ZCppMain/ZMainHead.H
index 52fd88a..66ecbd5 100644
--- a/ZCppMain/ZMainHead.H
+++ b/ZCppMain/ZMainHead.H
@@ -3112,7 +3112,18 @@ namespace ZNsMain
         HANDLE mh_Mutex;
     public :
 
-        void Lock() throw(ZCExceptSmallLock&)
+        /*/////////////////////////////////////////////////////////
+
+        Administrator@q381-2673 UCRT64 /e/my_CPP/ZCpp/ZCppMainTest
+        # g++.exe -o ZtCArray_000_mw.exe   ZtCArray_000.cpp -I../
+        In file included from ../ZCppMain/ZtCArray.H:7,
+                         from ZtCArray_000.cpp:4:
+        ../ZCppMain/ZMainHead.H:3115:21: error: ISO C++17 does not allow dynamic exception specifications
+         3115 |         void Lock() throw(ZCExceptSmallLock&)
+
+        /////////////////////////////////////////////////////////*/
+
+        void Lock() /*throw(ZCExceptSmallLock&)*/
         {
             long VL_ErrCode=0;
 
@@ -3122,7 +3133,7 @@ namespace ZNsMain
             }/*
             if((VL_ErrCode = ::WaitForSingleObject(mh_Mutex, INFINITE))==WAIT_ABANDONED)*/
         }/*
-        void Lock() throw(ZCExceptSmallLock&)*/
+        void Lock() /*throw(ZCExceptSmallLock&)*/
 
         void UnLock()
         {
diff --git a/ZCppMain/ZMainHeadEx.H b/ZCppMain/ZMainHeadEx.H
index 6cc885e..5de52e5 100644
--- a/ZCppMain/ZMainHeadEx.H
+++ b/ZCppMain/ZMainHeadEx.H
@@ -680,19 +680,19 @@ namespace ZNsMain
 
     #if      defined(_WIN) && defined(_REENTRANT)
 
-        static CMutexSmallInit& GetCMutexSmallInit()
+        static ZCMutexSmallInit& GetCMutexSmallInit()
         {
-            static CMutexSmallInit SO_CMutexSmallInit; return SO_CMutexSmallInit;
+            static ZCMutexSmallInit SO_CMutexSmallInit; return SO_CMutexSmallInit;
         }/*
-        static CMutexSmallInit& GetCMutexSmallInit()*/
+        static ZCMutexSmallInit& GetCMutexSmallInit()*/
 
     #endif //defined(_WIN) && defined(_REENTRANT)
 
-        static bool SetLocalTimeObj(time_t AL_TimeSec,struct tm& ARR_StTime)
+        static bool SetLocalTimeObj(time_t AL_TimeSec, struct tm& ARR_StTime)
         {
         #ifdef _REENTRANT
             #ifdef _WIN
-                ZNsMain::CMutexSmallLock VO_CMutexSmallLock(GetCMutexSmallInit());
+                ZNsMain::ZCMutexSmallLock VO_CMutexSmallLock(GetCMutexSmallInit());
 
                 struct tm* VP_StTime = ::localtime(&AL_TimeSec);
 
@@ -722,7 +722,7 @@ namespace ZNsMain
         {
         #if defined(_REENTRANT)
             #ifdef _WIN
-                ZNsMain::CMutexSmallLock
+                ZNsMain::ZCMutexSmallLock
                     VO_CMutexSmallLock( GetCMutexSmallInit() );
 
                 struct tm* VP_StTime = ::gmtime(&AL_TimeSec);
diff --git a/ZCppMainTest/ZtCArray_000.cpp b/ZCppMainTest/ZtCArray_000.cpp
index 56a32b5..d478119 100644
--- a/ZCppMainTest/ZtCArray_000.cpp
+++ b/ZCppMainTest/ZtCArray_000.cpp
@@ -195,8 +195,24 @@ int main(int AR_ArgCnt, char* APP_ArgVal[])*/
 
 ■  mingw 컴파일
 
-    // /usr/local/mingw/bin/g++.exe -o ZtCArray_000.exe   ZtCArray_000.cpp -I../../my_CPP/CPP_Main/ -I../../my_CPP/CPP_Std/ -D__CYGWIN32__ -D__VISUAL_CPP_VER__=200300
-    // /usr/local/mingw/bin/g++.exe -o ZtCArray_000_D.exe ZtCArray_000.cpp -I../../my_CPP/CPP_Main/ -I../../my_CPP/CPP_Std/ -D__CYGWIN32__ -D__VISUAL_CPP_VER__=200300 -D_DEBUG
+    g++.exe -o ZtCArray_000_mw.exe   ZtCArray_000.cpp -I../
+    g++.exe -o ZtCArray_000_mw_D.exe ZtCArray_000.cpp -I../ -D_DEBUG
+
+    ./ZtCArray_000_mw.exe
+    ./ZtCArray_000_mw_D.exe
+
+
+        Administrator@q381-2673 UCRT64 /e/my_CPP/ZCpp/ZCppMainTest
+        # date
+        Sun Aug 24 10:47:09 KST 2025
+
+        Administrator@q381-2673 UCRT64 /e/my_CPP/ZCpp/ZCppMainTest
+        # g++ --version
+        g++.exe (Rev2, Built by MSYS2 project) 13.2.0
+        Copyright (C) 2023 Free Software Foundation, Inc.
+        This is free software; see the source for copying conditions.  There is NO
+        warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
 
 ■  Linux 컴파일
 
diff --git a/ZCppMainTest/ZtCLoadXml_000.cpp b/ZCppMainTest/ZtCLoadXml_000.cpp
index 30ab96b..7f631e8 100644
--- a/ZCppMainTest/ZtCLoadXml_000.cpp
+++ b/ZCppMainTest/ZtCLoadXml_000.cpp
@@ -166,8 +166,23 @@ int main(int AR_ArgCnt, char* APP_ArgVal[])*/
 
 ■  mingw 컴파일
 
-    // /usr/local/mingw/bin/g++.exe -o ZtCLoadXml_000.exe   ZtCLoadXml_000.cpp -I../../my_CPP/CPP_Main/ -I../../my_CPP/CPP_Std/ -D__CYGWIN32__ -D__VISUAL_CPP_VER__=200300
-    // /usr/local/mingw/bin/g++.exe -o ZtCLoadXml_000_D.exe ZtCLoadXml_000.cpp -I../../my_CPP/CPP_Main/ -I../../my_CPP/CPP_Std/ -D__CYGWIN32__ -D__VISUAL_CPP_VER__=200300 -D_DEBUG
+    g++.exe -o ZtCLoadXml_000_mw.exe   ZtCLoadXml_000.cpp -I../ -lWs2_32
+    g++.exe -o ZtCLoadXml_000_mw_D.exe ZtCLoadXml_000.cpp -I../ -lWs2_32 -D_DEBUG
+
+    ./ZtCLoadXml_000_mw.exe
+    ./ZtCLoadXml_000_mw_D.exe
+
+
+        Administrator@q381-2673 UCRT64 /e/my_CPP/ZCpp/ZCppMainTest
+        # date
+        Sun Aug 24 10:47:09 KST 2025
+
+        Administrator@q381-2673 UCRT64 /e/my_CPP/ZCpp/ZCppMainTest
+        # g++ --version
+        g++.exe (Rev2, Built by MSYS2 project) 13.2.0
+        Copyright (C) 2023 Free Software Foundation, Inc.
+        This is free software; see the source for copying conditions.  There is NO
+        warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
 ■  Linux 컴파일
 
diff --git a/ZCppMainTest/ZtCObjAVL_000.cpp b/ZCppMainTest/ZtCObjAVL_000.cpp
index 6a941d0..40dbe16 100644
--- a/ZCppMainTest/ZtCObjAVL_000.cpp
+++ b/ZCppMainTest/ZtCObjAVL_000.cpp
@@ -72,8 +72,24 @@ int main(int AR_ArgCnt, char* APP_ArgVal[])*/
 
 ■  mingw 컴파일
 
-    // /usr/local/mingw/bin/g++.exe -o ZtCObjAVL_000.exe   ZtCObjAVL_000.cpp -I../../my_CPP/CPP_Main/ -I../../my_CPP/CPP_Std/ -D__CYGWIN32__ -D__VISUAL_CPP_VER__=200300
-    // /usr/local/mingw/bin/g++.exe -o ZtCObjAVL_000_D.exe ZtCObjAVL_000.cpp -I../../my_CPP/CPP_Main/ -I../../my_CPP/CPP_Std/ -D__CYGWIN32__ -D__VISUAL_CPP_VER__=200300 -D_DEBUG
+    g++.exe -o ZtCObjAVL_000_mw.exe   ZtCObjAVL_000.cpp -I../
+    g++.exe -o ZtCObjAVL_000_mw_D.exe ZtCObjAVL_000.cpp -I../ -D_DEBUG
+
+    ./ZtCObjAVL_000_mw.exe
+    ./ZtCObjAVL_000_mw_D.exe
+
+
+        Administrator@q381-2673 UCRT64 /e/my_CPP/ZCpp/ZCppMainTest
+        # date
+        Sun Aug 24 10:47:09 KST 2025
+
+        Administrator@q381-2673 UCRT64 /e/my_CPP/ZCpp/ZCppMainTest
+        # g++ --version
+        g++.exe (Rev2, Built by MSYS2 project) 13.2.0
+        Copyright (C) 2023 Free Software Foundation, Inc.
+        This is free software; see the source for copying conditions.  There is NO
+        warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
 
 ■  Linux 컴파일