diff --git a/slsDetectorSoftware/slsDetector/slsDetectorUtils.cpp b/slsDetectorSoftware/slsDetector/slsDetectorUtils.cpp
index 6a7865d10..64c24e269 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorUtils.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetectorUtils.cpp
@@ -638,7 +638,6 @@ void slsDetectorUtils::incrementProgress()  {
 
 void slsDetectorUtils::setCurrentProgress(int i){
   pthread_mutex_lock(&mp);
-  progressIndex++;
   progressIndex=i;
   cout << fixed << setprecision(2) << setw (6) << 100.*((double)progressIndex)/((double)totalProgress) << " \%";
   pthread_mutex_unlock(&mp);
diff --git a/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.cpp b/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.cpp
index 55f1e56f3..014a5711f 100644
--- a/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.cpp
+++ b/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.cpp
@@ -432,9 +432,15 @@ void* postProcessing::processData(int delflag) {
 #endif
 
 		//always read nth data
-		if (read_freq != 0)
+		if (read_freq != 0){
 			newData = true;
 
+			if (!dataReady){
+				std::cout << "Error: receiver read freq should be > 0 only when using gui." << std::endl;
+				std::cout << "Current receiver read frequency: " << read_freq << std::endl;
+			}
+		}
+
 		while(1){
 
 			cout.flush();
diff --git a/slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.cpp b/slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.cpp
index eff67cb6e..eb9b290d4 100644
--- a/slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.cpp
+++ b/slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.cpp
@@ -446,7 +446,7 @@ int slsReceiverFunctionList::startWriting(){
 	if (writeReceiverData)
 		cout << "Note: Data Write has been defined exernally" << endl;
 	if(nFrameToGui)
-		cout << " Not implemented yet: Sending every " << nFrameToGui << "th frame to gui" <<  endl;
+		cout << "Sending every " << nFrameToGui << "th frame to gui" <<  endl;
 
 
 	//by default, we read/write everything