Index: lams_central/src/java/org/lamsfoundation/lams/authoring/web/ExportToolContentAction.java
===================================================================
diff -u -r8c19a83f82d8b65b5de6be5ae80cb7e41e9c4fc1 -r0c23948713b5a36c2bfd46ce763ab3653c33a308
--- lams_central/src/java/org/lamsfoundation/lams/authoring/web/ExportToolContentAction.java	(.../ExportToolContentAction.java)	(revision 8c19a83f82d8b65b5de6be5ae80cb7e41e9c4fc1)
+++ lams_central/src/java/org/lamsfoundation/lams/authoring/web/ExportToolContentAction.java	(.../ExportToolContentAction.java)	(revision 0c23948713b5a36c2bfd46ce763ab3653c33a308)
@@ -110,6 +110,10 @@
 			// get only filename
 			String zipfile = FileUtil.getFileName(zipFilename);
 			
+			// replace spaces (" ") with underscores ("_")
+			
+			zipfile = zipfile.replaceAll(" ", "_");
+			
 			//write zip file as response stream. 
 
 			// Different browsers handle stream downloads differently LDEV-1243
@@ -119,6 +123,8 @@
 			
 			String filename = null;
 			
+			
+			
 			if (null != agent && -1 != agent.indexOf("MSIE"))
 			{
 				// if MSIE then urlencode it