diff --git a/ba/ba1100.cpp b/ba/ba1100.cpp
index e0523dc0f..5bce1c2f4 100755
--- a/ba/ba1100.cpp
+++ b/ba/ba1100.cpp
@@ -12,6 +12,7 @@
 #include <validate.h>
 #include <progind.h>
 #include <extcdecl.h>
+#include <execp.h>
 
 #include "ba1.h"
 #include "ba1100.h"
@@ -599,7 +600,8 @@ void TManutenzione_app::convert_dir()
 
 {         
   const TString pref(prefix().name());
-  const bool is_com = prefix().is_com();
+  const bool is_com = prefix().is_com();  
+  
   TDir d;
   TTrec r;
   
@@ -619,19 +621,23 @@ void TManutenzione_app::convert_dir()
     p.addstatus(1);
     prefix().set(""); 
     r.get(i);                 
+    d.get(i); 
+    const int module = abs((int)d.flags());
     prefix().set(pref); 
     TSystemisamfile f(i);
     
     f.update(r);         
     d.get(i, _nolock, _nordir, _sysdirop); 
     bool to_create = (is_com ? d.is_com() : d.is_firm());
-    d.get(i);
-    TFilename datafile(d.name()); 
-
-    if (to_create && !fexist(datafile))
+    
+    if (to_create && has_module(module, CHK_DONGLE))
     {
-      TSystemisamfile f(i);
-      f.build(10L);
+      d.get(i);
+      if (!fexist(d.name()))
+      {
+        TSystemisamfile f(i);
+        f.build(10L);          
+      }
     } 
   }
   prefix().set(""); 
@@ -653,6 +659,13 @@ void TManutenzione_app::update()
   
   begin_wait();
   prefix().set("com");
+  if (prefix().filelevel() <= 199502L) 
+  {
+    TExternal_app app("bacnv 4 0");
+    
+    app.run();
+  }
+  
   update_dir();
   convert_dir();