diff --git a/materializer/ExportDialog.cpp b/materializer/ExportDialog.cpp
index 8199abc..d6ba1d3 100644
--- a/materializer/ExportDialog.cpp
+++ b/materializer/ExportDialog.cpp
@@ -86,21 +86,21 @@ namespace VSW::Materializer {
 		auto& config_manager = PluginMain::ConfigManager::GetSingleton();
 		auto u8_last_path = config_manager.m_LastFilePath.Get();
 		if (!u8_last_path.empty()) {
-			auto last_path = YYCC::FsPathPatch::FromUTF8Path(u8_last_path.c_str());
+			auto last_path = YYCC::StdPatch::ToStdPath(u8_last_path);
 			switch (m_InitialDatabaseType) {
 				case InitialDatabaseType::Script:
-					last_path.replace_filename(YYCC::FsPathPatch::FromUTF8Path(YYCC_U8("script.db")));
+					last_path.replace_filename(YYCC::StdPatch::ToStdPath(YYCC_U8("script.db")));
 					break;
 				case InitialDatabaseType::Document:
-					last_path.replace_filename(YYCC::FsPathPatch::FromUTF8Path(YYCC_U8("doc.db")));
+					last_path.replace_filename(YYCC::StdPatch::ToStdPath(YYCC_U8("doc.db")));
 					break;
 				case InitialDatabaseType::Environment:
-					last_path.replace_filename(YYCC::FsPathPatch::FromUTF8Path(YYCC_U8("env.db")));
+					last_path.replace_filename(YYCC::StdPatch::ToStdPath(YYCC_U8("env.db")));
 					break;
 				default:
 					throw std::runtime_error("invalid initial database type");
 			}
-			u8_last_path = YYCC::FsPathPatch::ToUTF8Path(last_path);
+			u8_last_path = YYCC::StdPatch::ToUTF8Path(last_path);
 		}
 		PushDatabaseFile(u8_last_path);
 		PushEncoding(config_manager.m_Encoding.Get());
diff --git a/materializer/PluginMain.cpp b/materializer/PluginMain.cpp
index 7472c27..1452f3b 100644
--- a/materializer/PluginMain.cpp
+++ b/materializer/PluginMain.cpp
@@ -28,8 +28,8 @@ namespace VSW::Materializer::PluginMain {
 		if (!YYCC::WinFctHelper::GetModuleFileName(NULL, u8_virtools_path))
 			u8_virtools_path.clear();
 		// get its parent folder and append with cfg file name
-		std::filesystem::path virtools_path(YYCC::FsPathPatch::FromUTF8Path(u8_virtools_path.c_str()));
-		return YYCC::FsPathPatch::ToUTF8Path(virtools_path.parent_path() / YYCC::FsPathPatch::FromUTF8Path(YYCC_U8("vsw_materializer.cfg")));
+		std::filesystem::path virtools_path(YYCC::StdPatch::ToStdPath(u8_virtools_path));
+		return YYCC::StdPatch::ToUTF8Path(virtools_path.parent_path() / YYCC::StdPatch::ToStdPath(YYCC_U8("vsw_materializer.cfg")));
 	}
 
 #pragma endregion
diff --git a/materializer/StandaloneMain.cpp b/materializer/StandaloneMain.cpp
index d9f1e7c..da025c3 100644
--- a/materializer/StandaloneMain.cpp
+++ b/materializer/StandaloneMain.cpp
@@ -119,24 +119,19 @@ namespace VSW::Materializer::StandaloneMain {
 			if (u8_vt_file.empty()) throw std::invalid_argument("Invalid Virtools file path");
 
 			// build source virtools file
-			auto vt_file = YYCC::FsPathPatch::FromUTF8Path(u8_vt_file.data());
+			auto vt_file = YYCC::StdPatch::ToStdPath(u8_vt_file);
 
 			// build cache path located in Windows temp path and keep its extension
 			YYCC::yycc_u8string u8_temp_dir;
 			if (!YYCC::WinFctHelper::GetTempDirectory(u8_temp_dir))
 				throw std::runtime_error("Fail to fetch Windows Temp directory");
-			auto temp_dir = YYCC::FsPathPatch::FromUTF8Path(u8_temp_dir.c_str());
-			temp_dir /= YYCC::FsPathPatch::FromUTF8Path(YYCC_U8("07159749-81e5-4ec2-b649-87b8eb9c1f5a"));
+			auto temp_dir = YYCC::StdPatch::ToStdPath(u8_temp_dir);
+			temp_dir /= YYCC::StdPatch::ToStdPath(YYCC_U8("07159749-81e5-4ec2-b649-87b8eb9c1f5a"));
 			temp_dir.replace_extension(vt_file.extension());
-			m_TempFile = YYCC::FsPathPatch::ToUTF8Path(temp_dir);
+			m_TempFile = YYCC::StdPatch::ToUTF8Path(temp_dir);
 
 			// copy it to temp directory
-			std::wstring w_temp_file, w_vt_file;
-			if (!YYCC::EncodingHelper::UTF8ToWchar(u8_vt_file, w_vt_file))
-				throw std::runtime_error("Fail to fetch source file.");
-			if (!YYCC::EncodingHelper::UTF8ToWchar(m_TempFile, w_temp_file))
-				throw std::runtime_error("Fail to fetch temporary file.");
-			if (!::CopyFileW(w_vt_file.c_str(), w_temp_file.c_str(), FALSE))
+			if (!YYCC::WinFctHelper::CopyFile(u8_vt_file, m_TempFile, FALSE))
 				throw std::runtime_error("Fail to copy file.");
 
 			// okey
diff --git a/materializer/Utilities.cpp b/materializer/Utilities.cpp
index eb79759..5699bc4 100644
--- a/materializer/Utilities.cpp
+++ b/materializer/Utilities.cpp
@@ -122,8 +122,8 @@ namespace VSW::Materializer::Utilities {
 			return;
 		}
 		// Then get its file name part
-		auto module_path = YYCC::FsPathPatch::FromUTF8Path(u8_module_path.c_str());
-		auto u8_module_name = YYCC::FsPathPatch::ToUTF8Path(module_path.filename());
+		auto module_path = YYCC::StdPatch::ToStdPath(u8_module_path);
+		auto u8_module_name = YYCC::StdPatch::ToUTF8Path(module_path.filename());
 
 		// Get the base address of current module
 		// HMODULE is the base address of loaded module