diff --git a/src_main/io/pisharedmemory.cpp b/src_main/io/pisharedmemory.cpp
index f79d488e..e283f41a 100644
--- a/src_main/io/pisharedmemory.cpp
+++ b/src_main/io/pisharedmemory.cpp
@@ -85,7 +85,7 @@ PISharedMemory::PISharedMemory(const PIString & shm_name, int size, PIIODevice::
 
 bool PISharedMemory::openDevice() {
 	close();
-	piCoutObj << "try open" << path() << dsize;
+	//piCoutObj << "try open" << path() << dsize;
 #ifdef WINDOWS
 	PRIVATE->name = ("PIP_SHM_" + path()).toByteArray();
 	PRIVATE->name.push_back(0);
@@ -96,14 +96,14 @@ bool PISharedMemory::openDevice() {
 		PRIVATE->map = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, (DWORD)dsize, nm);
 		//piCoutObj << "create map =" << ullong(PRIVATE->map);
 		if (!PRIVATE->map) {
-			piCoutObj << path() << dsize << "CreateFileMapping error," << errorString();
+			piCoutObj << "CreateFileMapping error," << errorString();
 			return false;
 		}
 	}
 	PRIVATE->data = MapViewOfFile(PRIVATE->map, FILE_MAP_ALL_ACCESS, 0, 0, dsize);
 	if (!PRIVATE->data) {
-		piCoutObj << path() << dsize << "MapViewOfFile error," << errorString();
 		CloseHandle(PRIVATE->map);
+		piCoutObj << "MapViewOfFile error," << errorString();
 		return false;
 	}
 	//piCout << PRIVATE->map << PRIVATE->data;
@@ -118,7 +118,7 @@ bool PISharedMemory::openDevice() {
 		fd = shm_open((const char *)PRIVATE->name.data(), O_RDWR | O_CREAT, 0777);
 		//piCoutObj << "try create" << PICoutManipulators::Hex << (m | O_CREAT) << fd;
 		if (fd < 0) {
-			//piCoutObj << "shm_open error," << errorString();
+			piCoutObj << "shm_open error," << errorString();
 			return false;
 		}
 		PRIVATE->owner = true;