diff --git a/src/gen/plug/_manager.py b/src/gen/plug/_manager.py
index 1b8b85cfe..cbe4c625e 100644
--- a/src/gen/plug/_manager.py
+++ b/src/gen/plug/_manager.py
@@ -175,10 +175,11 @@ class BasePluginManager(object):
                 # results in success. Then reload reveals the actual error.
                 # Looks like a bug in Python.
                 _module = self.reload(_module, pdata)
-            self.__success_list.append((filename, _module, pdata))
-            self.__modules[filename] = _module
-            self.__loaded_plugins[pdata.id] = _module
-            self.__mod2text[_module.__name__] = pdata.description
+            if _module:
+                self.__success_list.append((filename, _module, pdata))
+                self.__modules[filename] = _module
+                self.__loaded_plugins[pdata.id] = _module
+                self.__mod2text[_module.__name__] = pdata.description
             return _module
         except:
             import traceback
@@ -192,14 +193,18 @@ class BasePluginManager(object):
         Rather than just __import__(id), this will add the pdata.fpath
         to sys.path first (if needed), import, and then reset path.
         """
+        module = None
         if isinstance(pdata, basestring):
             pdata = self.get_plugin(pdata)
         if not pdata:
             return None
         if pdata.fpath not in sys.path:
-            sys.path.insert(0, pdata.fpath)
-            module = __import__(pdata.mod_name)
-            sys.path.pop(0)
+            if pdata.mod_name:
+                sys.path.insert(0, pdata.fpath)
+                module = __import__(pdata.mod_name)
+                sys.path.pop(0)
+            else:
+                print "WARNING: module cannot be loaded"
         else:
             module = __import__(pdata.mod_name)
         return module
diff --git a/src/gen/plug/_pluginreg.py b/src/gen/plug/_pluginreg.py
index c28c98727..196666d84 100644
--- a/src/gen/plug/_pluginreg.py
+++ b/src/gen/plug/_pluginreg.py
@@ -360,8 +360,9 @@ class PluginData(object):
         self._reportclass = None
         self._require_active = True
         self._report_modes = [REPORT_MODE_GUI]
-        #REPORT and TOOL attr
+        #REPORT and TOOL and GENERAL attr
         self._category = None
+        #REPORT and TOOL attr
         self._optionclass = None
         #TOOL attr
         self._toolclass = None
@@ -597,12 +598,11 @@ class PluginData(object):
     def _get_report_modes(self):
         return self._report_modes
 
-    #REPORT OR TOOL OR QUICKREPORT attributes
+    #REPORT or TOOL or QUICKREPORT or GENERAL attributes
     def _set_category(self, category):
-        if not (self._ptype == REPORT or self._ptype == TOOL or
-        self._ptype == QUICKREPORT or self._ptype == VIEW):
+        if self._ptype not in [REPORT, TOOL, QUICKREPORT, VIEW, GENERAL]:
             raise ValueError, 'category may only be set for ' \
-                              'REPORT/TOOL/QUICKREPORT/VIEW plugins'
+                              'REPORT/TOOL/QUICKREPORT/VIEW/GENERAL plugins'
         self._category = category
 
     def _get_category(self):
@@ -959,7 +959,7 @@ def make_environment(**kwargs):
         'GRAMPSVERSION': GRAMPSVERSION,
         'START': START,
         'END': END,
-        'IMAGE_DIR': IMAGE_DIR
+        'IMAGE_DIR': IMAGE_DIR,
         }
     env.update(kwargs)
     return env
@@ -1062,6 +1062,8 @@ class PluginRegister(object):
                 and not __debug__:
                     rmlist.append(ind)
                     continue
+                if plugin.fname is None:
+                    continue
                 match = pymod.match(plugin.fname)
                 if not match:
                     rmlist.append(ind)
diff --git a/src/gui/plug/_windows.py b/src/gui/plug/_windows.py
index 0d7b35431..617308edc 100644
--- a/src/gui/plug/_windows.py
+++ b/src/gui/plug/_windows.py
@@ -832,9 +832,10 @@ Location: %(fpath)s
             return
         id = model.get_value(node, id_col)
         pdata = self.__preg.get_plugin(id)
-        open_file_with_default_application(
-            os.path.join(pdata.fpath, pdata.fname)
-            )
+        if pdata.fpath and pdata.fname:
+            open_file_with_default_application(
+                os.path.join(pdata.fpath, pdata.fname)
+                )
 
 #-------------------------------------------------------------------------
 #