--- a/Plugins/VcsPlugins/vcsSubversion/SvnDialog.py	Mon Aug 30 20:16:34 2010 +0200
+++ b/Plugins/VcsPlugins/vcsSubversion/SvnDialog.py	Tue Aug 31 12:17:02 2010 +0200
@@ -12,6 +12,8 @@
 from PyQt4.QtCore import *
 from PyQt4.QtGui import *
 
+from E5Gui import E5MessageBox
+
 from .Ui_SvnDialog import Ui_SvnDialog
 
 import Preferences
@@ -127,7 +129,7 @@
         if not procStarted:
             self.buttonBox.setFocus()
             self.inputGroup.setEnabled(False)
-            QMessageBox.critical(None,
+            E5MessageBox.critical(self,
                 self.trUtf8('Process Generation Error'),
                 self.trUtf8(
                     'The process {0} could not be started. '
@@ -236,4 +238,4 @@
         
         @return flag indicating the presence of an add or delete (boolean)
         """
-        return self.__hasAddOrDelete
+        return self.__hasAddOrDelete
\ No newline at end of file