diff --git a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
index aa8c12d55..a2fcf0200 100644
--- a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
+++ b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
@@ -4573,7 +4573,7 @@ int* multiSlsDetector::readFrameFromReceiver(char* fName, int &fIndex){
 	int n,complete=OK;
 	int i,k,offsetX, offsetY, maxX, maxY; double dr;
 	int* retval=new int[nel];
-	int *retdet, *p=retval;
+	int *retdet = NULL, *p=retval;
 	string fullFName="";
 	string ext="";
 
@@ -4585,22 +4585,21 @@ int* multiSlsDetector::readFrameFromReceiver(char* fName, int &fIndex){
 
 	for (int id=0; id<thisMultiDetector->numberOfDetectors; id++) {
 		if (detectors[id]) {
+			n=detectors[id]->getDataBytes();
 			retdet=detectors[id]->readFrameFromReceiver(fName,fIndex);
 			if(detectors[id]->getErrorMask())
 			  setErrorMask(getErrorMask()|(1<<id));
 			if (retdet){
-				if (fIndex==-1)
+				if (fIndex==-1){
 					complete = FAIL;
-				else{
+					delete [] retdet;
+				}else{
 					n=detectors[id]->getDataBytes();
 					if(getDetectorsType() == EIGER){
-						//cout << "fname:"<<fName<<" findex:"<<fIndex<<endl;
-						//cout<<"n:"<<n<<endl;
-						//cout<<"maxchan:"<<detectors[id]->getMaxNumberOfChannels()<<" n:"<<n<<endl;
+						//cout << "fname:"<<fName<<" findex:"<<fIndex<<endl;//cout<<"n:"<<n<<endl;//cout<<"maxchan:"<<detectors[id]->getMaxNumberOfChannels()<<" n:"<<n<<endl;
 						dr = (double)n/detectors[id]->getMaxNumberOfChannels();
-						//cout << "dr:"<<dr<<endl;
 						k=(int)(detectors[id]->getMaxNumberOfChannels(X)*dr);//bit mode
-						//cout << "k:"<<k<<endl;
+						//cout << "dr:"<<dr<<endl;//cout << "k:"<<k<<endl;
 						offsetY = (int)(((maxY - (thisMultiDetector->offsetY[id] + detectors[id]->getMaxNumberOfChannels(Y))) * maxX)*dr);//bit mode
 						offsetX = (int)(thisMultiDetector->offsetX[id]*dr);
 						//cout << "offsetY"<<offsetY<< " offsetX:"<<offsetX<<endl;
@@ -4612,6 +4611,7 @@ int* multiSlsDetector::readFrameFromReceiver(char* fName, int &fIndex){
 						memcpy(p,retdet,n);
 						p+=n/sizeof(int);
 					}
+
 					delete [] retdet;
 					//concatenate filenames
 					if(!fullFName.length()){
diff --git a/slsDetectorSoftware/multiSlsDetector/multiSlsDetectorClient.h b/slsDetectorSoftware/multiSlsDetector/multiSlsDetectorClient.h
index fd70c21c3..f1bb0af4a 100644
--- a/slsDetectorSoftware/multiSlsDetector/multiSlsDetectorClient.h
+++ b/slsDetectorSoftware/multiSlsDetector/multiSlsDetectorClient.h
@@ -9,7 +9,10 @@
 #include <stdlib.h>
 using namespace std;
 
+int dummyCallback(detectorData* d, int p,void*) {
+cout << "got data "	<< p <<  endl;
 
+}
 
 class multiSlsDetectorClient  { 
 
@@ -21,6 +24,7 @@ class multiSlsDetectorClient  {
     if (argc==0 && action==slsDetectorDefs::READOUT_ACTION) { \
       if (myDetector==NULL) {				      \
 	myDetector=new multiSlsDetector();		      \
+	//myDetector->registerDataCallback(&dummyCallback,  NULL);
 	del=1;						      \
       };
       myCmd=new multiSlsDetectorCommand(myDetector);	      \
diff --git a/slsDetectorSoftware/slsDetector/slsDetector.cpp b/slsDetectorSoftware/slsDetector/slsDetector.cpp
index 8c861e61c..1d466c765 100644
--- a/slsDetectorSoftware/slsDetector/slsDetector.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetector.cpp
@@ -6461,34 +6461,31 @@ int* slsDetector::readFrameFromReceiver(char* fName, int &fIndex){
 		std::cout<< "slsDetector: Reading frame from receiver "<< thisDetector->dataBytes << " " <<nel <<std::endl;
 #endif
 		if (connectData() == OK){
-			//if(!thisDetector->stoppedFlag){
-				dataSocket->SendDataOnly(&fnum,sizeof(fnum));
-				dataSocket->ReceiveDataOnly(&ret,sizeof(ret));
+			dataSocket->SendDataOnly(&fnum,sizeof(fnum));
+			dataSocket->ReceiveDataOnly(&ret,sizeof(ret));
 
-				if (ret==FAIL) {
-					n= dataSocket->ReceiveDataOnly(mess,sizeof(mess));
-					std::cout<< "Detector returned: " << mess << " " << n << std::endl;
+			if (ret==FAIL) {
+				n= dataSocket->ReceiveDataOnly(mess,sizeof(mess));
+				std::cout<< "Detector returned: " << mess << " " << n << std::endl;
+				delete [] retval;
+				dataSocket->Disconnect();
+				return NULL;
+			} else {
+				n=dataSocket->ReceiveDataOnly(fName,MAX_STR_LENGTH);
+				n=dataSocket->ReceiveDataOnly(&fIndex,sizeof(fIndex));
+				n=dataSocket->ReceiveDataOnly(retval,thisDetector->dataBytes);
+
+#ifdef VERBOSE
+				std::cout<< "Received "<< n << " data bytes" << std::endl;
+#endif
+				if (n!=thisDetector->dataBytes) {
+					std::cout<<endl<< "wrong data size received: received " << n << " but expected from receiver " << thisDetector->dataBytes << std::endl;
+					ret=FAIL;
 					delete [] retval;
 					dataSocket->Disconnect();
 					return NULL;
-				} else {
-					n=dataSocket->ReceiveDataOnly(fName,MAX_STR_LENGTH);
-					n=dataSocket->ReceiveDataOnly(&fIndex,sizeof(fIndex));
-					n=dataSocket->ReceiveDataOnly(retval,thisDetector->dataBytes);
-
-#ifdef VERBOSE
-					std::cout<< "Received "<< n << " data bytes" << std::endl;
-#endif
-					if (n!=thisDetector->dataBytes) {
-						std::cout<<endl<< "wrong data size received: received " << n << " but expected from receiver " << thisDetector->dataBytes << std::endl;
-						ret=FAIL;
-						delete [] retval;
-						dataSocket->Disconnect();
-						return NULL;
-					}
 				}
-			//}
-
+			}
 			dataSocket->Disconnect();
 		}
 	}
diff --git a/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.cpp b/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.cpp
index 1ca44fb1e..b2854f4bd 100644
--- a/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.cpp
+++ b/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.cpp
@@ -475,10 +475,10 @@ void* postProcessing::processData(int delflag) {
 		}
 		
 		if (fdata) {
-		  cout << "delete fdata "<< endl;
+		  //cout << "delete fdata "<< endl;
 		  delete [] fdata;
-		  
-		  cout << "delete done "<< endl;
+		  fdata = NULL;
+		  //cout << "delete done "<< endl;
 		}
 		}
 	//receiver
@@ -535,6 +535,8 @@ void* postProcessing::processData(int delflag) {
 #ifdef VERY_VERY_DEBUG
 			cout << "currentfIndex:" << currentfIndex << endl;
 #endif
+
+
 			/** IF detector acquisition is done, let the acquire() thread know to finish up and force join thread */
 			if(acquiringDone > 0){
 #ifdef VERY_VERY_DEBUG
@@ -579,6 +581,7 @@ void* postProcessing::processData(int delflag) {
 						//get data
 						strcpy(currentfName,"");
 						pthread_mutex_lock(&mg);
+						//int* receiverData = new int [getTotalNumberOfChannels()];
 						int* receiverData = readFrameFromReceiver(currentfName,currentfIndex);
 						pthread_mutex_unlock(&mg);
 
@@ -599,7 +602,13 @@ void* postProcessing::processData(int delflag) {
 						}*/
 
 						//not garbage frame
-						if (currentfIndex >= 0) {
+						if(currentfIndex < 0){
+#ifdef VERY_VERY_DEBUG
+							cout<<"****Detector returned mismatched indices/garbage  or acquisition is over. Trying again.***"<<endl;
+#endif
+							if(receiverData)
+								delete [] receiverData;
+						}else{
 #ifdef VERY_VERY_DEBUG
 							cout<<"GOT data"<<endl;
 #endif
@@ -622,11 +631,6 @@ void* postProcessing::processData(int delflag) {
 #endif
 							}
 						}
-#ifdef VERY_VERY_DEBUG
-						else{
-							cout<<"****Detector returned mismatched indices/garbage  or acquisition is over. Trying again.***"<<endl;
-						}
-#endif
 					}
 				}
 			}