Index: lams_common/src/java/org/lamsfoundation/lams/util/FileUtil.java
===================================================================
diff -u -r51fb2a37254f24bb2a805d4ffd54482c779f43fa -r6fcf8f09f8546bcef14f4683eb21264ab0ae41d6
--- lams_common/src/java/org/lamsfoundation/lams/util/FileUtil.java	(.../FileUtil.java)	(revision 51fb2a37254f24bb2a805d4ffd54482c779f43fa)
+++ lams_common/src/java/org/lamsfoundation/lams/util/FileUtil.java	(.../FileUtil.java)	(revision 6fcf8f09f8546bcef14f4683eb21264ab0ae41d6)
@@ -625,6 +625,9 @@
 	    filename = unEncodedFilename;
 
 	}
+	
+	// wrap filename in quotes as if it contains comma character Chrome can throw a multiple headers error 
+	filename = "\"" + filename + "\"";
 
 	return filename;
     }