diff --git a/tryton/common/common.py b/tryton/common/common.py
index 3a14933992..f66549c35a 100644
--- a/tryton/common/common.py
+++ b/tryton/common/common.py
@@ -132,6 +132,16 @@ def file_selection(title, filename='', parent=None,
         return filenames
 
 def file_open(filename, type, parent, print_p=False):
+    if os.name == 'nt':
+        operation = 'open'
+        if print_p:
+            operation = 'print'
+        try:
+            os.startfile(os.path.normpath(filename), operation)
+        except:
+            # Try without operation, it is not supported on version < 2.5
+            os.startfile(os.path.normpath(filename))
+        return
     cmd = ''
     if type in CONFIG['client.actions']:
         if print_p:
diff --git a/tryton/gui/main.py b/tryton/gui/main.py
index 61cc1c2a63..9222bd89d1 100644
--- a/tryton/gui/main.py
+++ b/tryton/gui/main.py
@@ -599,6 +599,10 @@ class Main(object):
             self.glade.get_widget(signals[signal][2]).set_active(
                     int(bool(CONFIG[signals[signal][1]])))
 
+        if os.name == 'nt':
+            # Disable actions, on win32 we use os.startfile
+            self.glade.get_widget('actions').set_sensitive(False)
+
         # Adding a timer the check to requests
         gobject.timeout_add(5 * 60 * 1000, self.request_set)
         _MAIN.append(self)