diff --git a/src_main/io/pipeer.cpp b/src_main/io/pipeer.cpp
index 0f48b1d3..b1333b99 100755
--- a/src_main/io/pipeer.cpp
+++ b/src_main/io/pipeer.cpp
@@ -703,7 +703,7 @@ bool PIPeer::sendToNeighbour(PIPeer::PeerInfo * peer, const PIByteArray & ba) {
 
 void PIPeer::sendMBcast(const PIByteArray & ba) {
 	send_mc_mutex.lock();
-//	piCout << "sendMBcast" << ba.size() << "bytes ...";
+	piCoutObj << "sendMBcast" << ba.size() << "bytes ...";
 	piForeach (PIEthernet * e, eths_mcast) {
 		//errorClear();
 		//piCout << "send to" << e->path() << e->sendAddress();// << e->send(ba);
@@ -735,7 +735,7 @@ void PIPeer::sendMBcast(const PIByteArray & ba) {
 		if (eth_tcp_cli.send(ba))
 			diag_s.sended(ba.size_s());
 	}
-//	piCout << "send muticast ok";
+	piCoutObj << "sendMBcast ok";
 	send_mc_mutex.unlock();
 }
 
diff --git a/src_main/system/piprocess.cpp b/src_main/system/piprocess.cpp
index ec028540..3996f9b9 100755
--- a/src_main/system/piprocess.cpp
+++ b/src_main/system/piprocess.cpp
@@ -145,7 +145,9 @@ void PIProcess::startProc(bool detached) {
 		if (g_out) tf_out = freopen(f_out.path().data(), "w", stdout);
 		if (g_err) tf_err = freopen(f_err.path().data(), "w", stderr);
 #ifndef WINDOWS
-		if (!wd.isEmpty()) chdir(wd.data());
+		if (!wd.isEmpty())
+			if (!chdir(wd.data()))
+				piCoutObj << "Error while set working directory";
 #endif
 #ifdef WINDOWS
 	GetStartupInfoA(&(PRIVATE->si));