Index: /FCKeditor/trunk/editor/filemanager/browser/default/connectors/asp/class_upload.asp
===================================================================
--- /FCKeditor/trunk/editor/filemanager/browser/default/connectors/asp/class_upload.asp	(revision 391)
+++ /FCKeditor/trunk/editor/filemanager/browser/default/connectors/asp/class_upload.asp	(revision 392)
@@ -219,4 +219,9 @@
 		End If
 		
+		If InStr( LCase( sFileName ), "::$data" ) > 0 Then
+			nErr = 4
+			Exit Sub
+		End If
+		
 		Dim oFileStream
 		Set oFileStream = Server.CreateObject("ADODB.Stream")
Index: /FCKeditor/trunk/editor/filemanager/upload/asp/class_upload.asp
===================================================================
--- /FCKeditor/trunk/editor/filemanager/upload/asp/class_upload.asp	(revision 391)
+++ /FCKeditor/trunk/editor/filemanager/upload/asp/class_upload.asp	(revision 392)
@@ -218,5 +218,10 @@
 			Exit Sub
 		End If
-		
+
+		If InStr( LCase( sFileName ), "::$data" ) > 0 Then
+			nErr = 4
+			Exit Sub
+		End If
+				
 		Dim oFileStream
 		Set oFileStream = Server.CreateObject("ADODB.Stream")