diff --git a/lib/extensions/install.py b/lib/extensions/install.py
index 6c179beb5..d8e91a8de 100644
--- a/lib/extensions/install.py
+++ b/lib/extensions/install.py
@@ -56,6 +56,13 @@ class InstallerFrame(wx.Frame):
             self.path_input.SetValue(dialog.GetPath())
 
     def install_button_clicked(self, event):
+        if sys.platform == "win32":
+            # On windows, the default icon shows as a broken image.  No idea
+            # why.  Workaround: don't show an icon.
+            style = wx.ICON_NONE
+        else:
+            style = 0
+
         try:
             self.install_addons('palettes')
             self.install_addons('symbols')
@@ -63,12 +70,12 @@ class InstallerFrame(wx.Frame):
             wx.MessageDialog(self,
                              _('Inkscape add-on installation failed') + ': \n' + traceback.format_exc(),
                              _('Installation Failed'),
-                             wx.OK).ShowModal()
+                             wx.OK | style).ShowModal()
         else:
             wx.MessageDialog(self,
                              _('Inkscape add-on files have been installed.  Please restart Inkscape to load the new add-ons.'),
                              _('Installation Completed'),
-                             wx.OK).ShowModal()
+                             wx.OK | style).ShowModal()
 
         self.Destroy()
 
diff --git a/messages.po b/messages.po
index 78f0a3b2b..12eb42e0b 100644
--- a/messages.po
+++ b/messages.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2018-08-24 21:20-0400\n"
+"POT-Creation-Date: 2018-08-24 21:25-0400\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -509,25 +509,25 @@ msgstr ""
 msgid "Choose Inkscape directory"
 msgstr ""
 
-#: lib/extensions/install.py:64
+#: lib/extensions/install.py:71
 msgid "Inkscape add-on installation failed"
 msgstr ""
 
-#: lib/extensions/install.py:65
+#: lib/extensions/install.py:72
 msgid "Installation Failed"
 msgstr ""
 
-#: lib/extensions/install.py:69
+#: lib/extensions/install.py:76
 msgid ""
 "Inkscape add-on files have been installed.  Please restart Inkscape to "
 "load the new add-ons."
 msgstr ""
 
-#: lib/extensions/install.py:70
+#: lib/extensions/install.py:77
 msgid "Installation Completed"
 msgstr ""
 
-#: lib/extensions/install.py:104
+#: lib/extensions/install.py:111
 msgid "Ink/Stitch Add-ons Installer"
 msgstr ""