diff --git a/installer/windows/freeze.py b/installer/windows/freeze.py
index 7b748057cc..007217803e 100644
--- a/installer/windows/freeze.py
+++ b/installer/windows/freeze.py
@@ -171,7 +171,7 @@ def main(args=sys.argv):
                                              'calibre.web.feeds.recipes.*',
                                              'PyQt4.QtWebKit', 'PyQt4.QtNetwork',
                                              ],
-                                  'packages'  : ['PIL', 'lxml'],
+                                  'packages'  : ['PIL', 'lxml', 'cherrypy'],
                                   'excludes'  : ["Tkconstants", "Tkinter", "tcl",
                                                  "_imagingtk", "ImageTk", "FixTk"
                                                 ],
diff --git a/src/calibre/constants.py b/src/calibre/constants.py
index 5322a3a176..8721196293 100644
--- a/src/calibre/constants.py
+++ b/src/calibre/constants.py
@@ -2,7 +2,7 @@ __license__   = 'GPL v3'
 __copyright__ = '2008, Kovid Goyal kovid@kovidgoyal.net'
 __docformat__ = 'restructuredtext en'
 __appname__   = 'calibre'
-__version__   = '0.4.102'
+__version__   = '0.4.103'
 __author__    = "Kovid Goyal <kovid@kovidgoyal.net>"
 '''
 Various run time constants.
diff --git a/src/calibre/gui2/dialogs/config.ui b/src/calibre/gui2/dialogs/config.ui
index 2699a92d37..66fa5bdf5c 100644
--- a/src/calibre/gui2/dialogs/config.ui
+++ b/src/calibre/gui2/dialogs/config.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>709</width>
-    <height>840</height>
+    <height>563</height>
    </rect>
   </property>
   <property name="windowTitle" >
diff --git a/src/calibre/gui2/tools.py b/src/calibre/gui2/tools.py
index 68d90f5228..d8497c9713 100644
--- a/src/calibre/gui2/tools.py
+++ b/src/calibre/gui2/tools.py
@@ -124,6 +124,8 @@ def convert_single_lrf(parent, db, comics, others):
                 break                    
             except:
                 continue
+        if data is None:
+            continue
         pt = PersistentTemporaryFile('.'+fmt)
         pt.write(data)
         pt.close()