diff --git a/libretroshare/src/ft/ftfilecreator.cc b/libretroshare/src/ft/ftfilecreator.cc
index 292dc4729..2bd95a732 100644
--- a/libretroshare/src/ft/ftfilecreator.cc
+++ b/libretroshare/src/ft/ftfilecreator.cc
@@ -70,7 +70,12 @@ void ftFileCreator::closeFile()
 	RsStackMutex stack(ftcMutex); /********** STACK LOCKED MTX ******/
 
 	if(fd != NULL)
+	{
+#ifdef FILE_DEBUG
+		std::cerr << "CLOSED FILE " << (void*)fd << " (" << file_name << ")." << std::endl ;
+#endif
 		fclose(fd) ;
+	}
 
 	fd = NULL ;
 }
@@ -229,7 +234,7 @@ int ftFileCreator::locked_initializeFileAttrs()
 	if (!fd)
 	{
 		std::cerr << "ftFileCreator::initializeFileAttrs() Failed to open (r+b): ";
-		std::cerr << file_name << std::endl;
+		std::cerr << file_name << ", errno = " << errno << std::endl;
 
 		std::cerr << "ftFileCreator::initializeFileAttrs() opening w+b";
 		std::cerr << std::endl;
@@ -239,12 +244,12 @@ int ftFileCreator::locked_initializeFileAttrs()
 		if (!fd)
 		{
 			std::cerr << "ftFileCreator::initializeFileAttrs()";
-			std::cerr << " Failed to open (w+b): "<< file_name << std::endl;
+			std::cerr << " Failed to open (w+b): "<< file_name << ", errno = " << errno << std::endl;
 			return 0;
 		}
 	}
 #ifdef FILE_DEBUG
-	std::cerr << "ftFileCreator::initializeFileAttrs() File Expected Size: " << mSize << " RecvdSize: " << recvdsize << std::endl;
+	std::cerr << "OPENNED FILE " << (void*)fd << " (" << file_name << "), for r/w." << std::endl ;
 #endif
 
 	return 1;
diff --git a/libretroshare/src/pqi/p3cfgmgr.cc b/libretroshare/src/pqi/p3cfgmgr.cc
index 4bdc1495e..c366f1c5c 100644
--- a/libretroshare/src/pqi/p3cfgmgr.cc
+++ b/libretroshare/src/pqi/p3cfgmgr.cc
@@ -273,8 +273,12 @@ bool p3ConfigMgr::backedUpFileSave(const std::string& fname, const std::string&
 			return true;
 		}
 
-		fwrite(config_buff,1,  size_file, file);
-		fwrite(sign_buff, 1, size_sign, sign);
+		if(size_file != fwrite(config_buff,1,  size_file, file))
+			getPqiNotify()->AddSysMessage(0, RS_SYS_WARNING, "Write error", "Error while writing backup configuration file " + fname_backup + "\nIs your disc full or out of quota ?");
+
+		if(size_sign != fwrite(sign_buff, 1, size_sign, sign))
+			getPqiNotify()->AddSysMessage(0, RS_SYS_WARNING, "Write error", "Error while writing main signature file " + sign_fname_backup + "\nIs your disc full or out of quota ?");
+		
 		fclose(file);
 		fclose(sign);
 
@@ -751,7 +755,8 @@ bool p3Config::backedUpFileSave(const std::string& cfg_fname, const std::string&
 		written &= false; // at least one file save should be successful
 	}
 
-	if(size_file > 0){
+	if(size_file > 0)
+	{
 
 		// now write actual back-up file
 		cfg_file = fopen(cfg_fname_backup.c_str(), "wb");
@@ -762,7 +767,9 @@ bool p3Config::backedUpFileSave(const std::string& cfg_fname, const std::string&
 #endif
 		}
 
-		fwrite(buff, 1, size_file, cfg_file);
+		if(size_file != fwrite(buff, 1, size_file, cfg_file))
+			getPqiNotify()->AddSysMessage(0, RS_SYS_WARNING, "Write error", "Error while writing backup configuration file " + cfg_fname_backup + "\nIs your disc full or out of quota ?");
+
 		fclose(cfg_file);
 
 #ifdef CONFIG_DEBUG
diff --git a/libretroshare/src/pqi/p3connmgr.cc b/libretroshare/src/pqi/p3connmgr.cc
index 80d35fb3a..893671901 100644
--- a/libretroshare/src/pqi/p3connmgr.cc
+++ b/libretroshare/src/pqi/p3connmgr.cc
@@ -3474,7 +3474,7 @@ void peerConnectState::updateIpAddressList(const IpAddressTimed& ipTimed)
 		return ;
 	}
 
-	if(ipTimed.ipAddr.sin_addr.s_addr == 0 || ipTimed.ipAddr.sin_port == 0) 
+	if(ipTimed.ipAddr.sin_addr.s_addr == 0 || ipTimed.ipAddr.sin_addr.s_addr == 1 || ipTimed.ipAddr.sin_port == 0) 
 	{
 #ifdef CONN_DEBUG
 		std::cerr << "peerConnectState::updateIpAdressList() ip parameter is 0.0.0.0, or port is 0, ignoring." << std::endl;
diff --git a/libretroshare/src/pqi/pqistore.cc b/libretroshare/src/pqi/pqistore.cc
index ce73f04ac..5c020a783 100644
--- a/libretroshare/src/pqi/pqistore.cc
+++ b/libretroshare/src/pqi/pqistore.cc
@@ -331,6 +331,10 @@ int     pqistore::readPkt(RsItem **item_out)
 
 	// workout how much more to read.
 	int extralen = getRsItemSize(block) - blen;
+
+	if(extralen+blen > maxlen)
+		std::cerr << "***** ERROR: trying to read a packet of length " << extralen+blen << ", while the maximum length is " << maxlen << std::endl ;
+
 	if (extralen > 0)
 	{
 	   if(extralen > blen + maxlen)