diff --git a/lib64/SmruDaqJNI.dll b/lib64/SmruDaqJNI.dll
deleted file mode 100644
index 0fef1736..00000000
Binary files a/lib64/SmruDaqJNI.dll and /dev/null differ
diff --git a/src/clickTrainDetector/layout/classification/simplechi2classifier/SimpleCTClassifierPane.java b/src/clickTrainDetector/layout/classification/simplechi2classifier/SimpleCTClassifierPane.java
index 05602397..8ee87ba5 100644
--- a/src/clickTrainDetector/layout/classification/simplechi2classifier/SimpleCTClassifierPane.java
+++ b/src/clickTrainDetector/layout/classification/simplechi2classifier/SimpleCTClassifierPane.java
@@ -228,10 +228,11 @@ public class SimpleCTClassifierPane extends SettingsPane<Chi2ThresholdParams>  {
 		if (simpleChi2Classifier!=null && simpleChi2Classifier.getDataSelector()!=null) {
 			simpleChi2Classifier.getDataSelector().getDialogPaneFX().getParams(true); 
 		}
+		if (this.currParams != null) {
+			currParams.uniqueID = this.currParams.uniqueID; 
+		}
 		
-		currParams.uniqueID = this.currParams.uniqueID; 
-		
-		return currParams=this.currParams;
+		return this.currParams=currParams;
 	}
 
 	@Override
diff --git a/src/hfDaqCard/SmruDaqDialogPanel.java b/src/hfDaqCard/SmruDaqDialogPanel.java
index e9300c0a..4f2dddcd 100644
--- a/src/hfDaqCard/SmruDaqDialogPanel.java
+++ b/src/hfDaqCard/SmruDaqDialogPanel.java
@@ -32,6 +32,7 @@ public class SmruDaqDialogPanel {
 	JComboBox[] gains = new JComboBox[PamConstants.MAX_CHANNELS];
 	JComboBox[] filters = new JComboBox[PamConstants.MAX_CHANNELS];
 	
+	JLabel libVersion;	
 
 	private SmruDaqParameters smruDaqParameters;
 
@@ -54,6 +55,12 @@ public class SmruDaqDialogPanel {
 		dialogPanel.setBorder(new TitledBorder("Daq card configuration"));
 		GridBagConstraints c = new PamGridBagContraints();
 		c.gridwidth = 3;
+		dialogPanel.add(new JLabel("Library version: ", JLabel.RIGHT), c);
+		c.gridx += c.gridwidth;
+		dialogPanel.add(libVersion = new JLabel("Unknown"));
+		c.gridx = 0;
+		c.gridy++;
+		c.gridwidth = 3;
 		PamDialog.addComponent(dialogPanel,new JLabel("Sample Rate ", SwingConstants.RIGHT),c);
 		c.gridx += c.gridwidth;
 		c.gridwidth = 3;
@@ -169,6 +176,9 @@ public class SmruDaqDialogPanel {
 	}
 
 	public void setParams(SmruDaqParameters smruDaqParameters) {
+		
+		libVersion.setText(smruDaqSystem.getJNILibInfo());
+		
 		this.smruDaqParameters = smruDaqParameters.clone();
 		sampleRate.setSelectedIndex(smruDaqParameters.getSampleRateIndex());
 		for (int i = 0; i < SmruDaqParameters.NCHANNELS * nShownBoards; i++) {
diff --git a/src/hfDaqCard/SmruDaqJNI.java b/src/hfDaqCard/SmruDaqJNI.java
index 5378fb64..e1b8356f 100644
--- a/src/hfDaqCard/SmruDaqJNI.java
+++ b/src/hfDaqCard/SmruDaqJNI.java
@@ -20,7 +20,14 @@ public class SmruDaqJNI {
 	
 	static public final int SMRU_RET_OK = 0;
 
+	/**
+	 * Have rebuilt SAIL Daq interface in 2022, but in principle this was 
+	 * just a straight rebuild of the exact same JNI code. the main purpose was to check
+	 * we could still rebuild it after all these years and it seems to work. No real
+	 * need though to move on from the older and trusted version. 
+	 */
 	private static final String SILIB = "SailDaqJNI";
+//	private static final String SILIB = "SailDaqV7";
 	
 	/**
 	 * this is the verbose level for the C code part. 
@@ -407,8 +414,8 @@ public class SmruDaqJNI {
 			}
 			catch (UnsatisfiedLinkError e)
 			{
-				smruDaqSystem.terminalPrint("SAIL DAQ Card lib '" + SILIB + "' cannot be loaded for the following reason:", 1);
-				smruDaqSystem.terminalPrint("Unsatisfied Link Error : " + e.getMessage(), 1);
+				System.out.println("SAIL DAQ Card lib '" + SILIB + "' cannot be loaded for the following reason:");
+				System.out.println("Unsatisfied Link Error : " + e.getMessage());
 				haveLibrary = false;
 			}
 		}
@@ -839,6 +846,22 @@ public class SmruDaqJNI {
 		return true;
 		
 	}
+	
+	/**
+	 * Get the dll library name. 
+	 * @return
+	 */
+	public String getLibrary() {
+		return SILIB;
+	}
+	
+	/**
+	 * Get the version of the dll library. 
+	 * @return
+	 */
+	public int getLibarayVersion() {
+		return libVersion;
+	}
 
 
 }
diff --git a/src/hfDaqCard/SmruDaqSystem.java b/src/hfDaqCard/SmruDaqSystem.java
index 7e04151b..1d78e824 100644
--- a/src/hfDaqCard/SmruDaqSystem.java
+++ b/src/hfDaqCard/SmruDaqSystem.java
@@ -86,6 +86,19 @@ public class SmruDaqSystem extends DaqSystem implements PamSettings {
 			System.out.println(str);
 		}
 	}
+	
+	public String getJNILibInfo() {
+		String lib = smruDaqJNI.getLibrary();
+		int libVer = smruDaqJNI.getLibarayVersion();
+		String verStr;
+		if (libVer < 0) {
+			verStr = String.format("%s not loaded", lib);
+		}
+		else {
+			verStr = String.format("%s.dll Version %d", lib, libVer);
+		}
+		return verStr;
+	}
 
 	@Override
 	public boolean canPlayBack(float sampleRate) {
@@ -417,6 +430,15 @@ public class SmruDaqSystem extends DaqSystem implements PamSettings {
 
 	@Override
 	public void stopSystem(AcquisitionControl daqControl) {
+		if (keepRunning == false) {
+			/*
+			 *  it was never running, so no need to do this. From the GUI this isn't ever a problem 
+			 *  but PAMDog can call stop a little over zealously, and there seems to be a problem
+			 *  with calling this when it's not running bunging up the cards. So basically without
+			 *  this PAMDog won't run properly with PAMDog 
+			 */
+			return;
+		}
 		keepRunning = false;
 		try {
 			while(daqThreadRunning) {