diff --git a/CreateCargo.cpp b/CreateCargo.cpp
index 845a915..bad0dc7 100644
--- a/CreateCargo.cpp
+++ b/CreateCargo.cpp
@@ -243,32 +243,40 @@ std::vector<FilesTable> CreateCargo::ComputingHeadFiles()
 		size_t size = f.tellg();
 		f.seekg(0, std::ios::beg);
 
-		//Wczytanie pliku do pamięci
-		std::vector<char> buffer(size);
-		f.read(buffer.data(), size);
-		f.close();
+		if (size > MAX_FILE_SIZE)
+		{
+			std::cerr << path << " is too large. It exceeds 2GB!" << std::endl;
+		}
+		else
+		{
+			//Wczytanie pliku do pamięci
+			std::vector<char> buffer(size);
+			f.read(buffer.data(), size);
+			f.close();
 
-		//Tworzenie hashu CRC
-		const uint64_t crc = XXH64(buffer.data(), buffer.size(), VERSION);
+			//Tworzenie hashu CRC
+			const uint64_t crc = XXH64(buffer.data(), buffer.size(), VERSION);
 
-		//Kompresjia
-		std::vector<char> pakBuffer;
-		computingBytes(file.parameter, buffer, pakBuffer);
+			//Kompresjia
+			std::vector<char> pakBuffer;
+			computingBytes(file.parameter, buffer, pakBuffer);
 
-		FilesTable ft;
-		ft.nameFile = path;
-		ft.nameLen = path.length();
-		ft.hashName = fnv64(path);
-		ft.offset = offset;
-		ft.size = pakBuffer.size();
-		ft.flag = file.parameter;
-		ft.crc = crc;
+			FilesTable ft;
+			ft.nameFile = path;
+			ft.nameLen = path.length();
+			ft.hashName = fnv64(path);
+			ft.offset = offset;
+			ft.size = pakBuffer.size();
+			ft.flag = file.parameter;
+			ft.crc = crc;
 
-		cargo.write(reinterpret_cast<const char*>(pakBuffer.data()), pakBuffer.size());
+			cargo.write(reinterpret_cast<const char*>(pakBuffer.data()), pakBuffer.size());
 
-		filesTable.push_back(ft);
-		offset += pakBuffer.size();
+			filesTable.push_back(ft);
+			offset += pakBuffer.size();
+		}
 	}
+
 	return filesTable;
 }
 
diff --git a/CreateCargo.h b/CreateCargo.h
index e11d253..ddbb0cf 100644
--- a/CreateCargo.h
+++ b/CreateCargo.h
@@ -87,6 +87,9 @@ private:
 	std::ofstream cargo;
 	uint64_t offset;
 
+	// Progress
+	std::atomic<uint64_t> progress;
+
 
 
 	// Tworzenie listy plików do spakowania
diff --git a/DataStruct.h b/DataStruct.h
index d941faf..db9318a 100644
--- a/DataStruct.h
+++ b/DataStruct.h
@@ -70,7 +70,7 @@ struct FilesTable
 	std::string nameFile;
 	uint64_t hashName;
 	uint64_t offset;
-	uint32_t size;
+	uint64_t size;
 	uint64_t crc;
 	int16_t flag;
 };
\ No newline at end of file