diff --git a/src/cthulhu/cthulhu.py b/src/cthulhu/cthulhu.py
index f5db1e9..399d378 100644
--- a/src/cthulhu/cthulhu.py
+++ b/src/cthulhu/cthulhu.py
@@ -530,6 +530,26 @@ def loadUserSettings(script=None, inputEvent=None, skipReloadMessage=False):
 
     return True
 
+def _showPreferencesUI(script, prefs):                                                                                                                                    
+    if cthulhu_state.cthulhuOS:                                                                                                                                           
+        cthulhu_state.cthulhuOS.showGUI()                                                                                                                                 
+        return                                                                                                                                                            
+                                                                                                                                                                          
+    try:                                                                                                                                                                  
+        module = importlib.import_module('.cthulhu_gui_prefs', 'cthulhu')                                                                                                 
+    except Exception:                                                                                                                                                     
+        debug.printException(debug.LEVEL_SEVERE)                                                                                                                          
+        return                                                                                                                                                            
+                                                                                                                                                                          
+    uiFile = os.path.join(cthulhu_platform.datadir,                                                                                                                       
+                          cthulhu_platform.package,                                                                                                                       
+                          "ui",                                                                                                                                           
+                          "cthulhu-setup.ui")                                                                                                                             
+                                                                                                                                                                          
+    cthulhu_state.cthulhuOS = module.CthulhuSetupGUI(uiFile, "cthulhuSetupWindow", prefs)                                                                                 
+    cthulhu_state.cthulhuOS.init(script)                                                                                                                                  
+    cthulhu_state.cthulhuOS.showGUI()                                                                                                                                     
+ 
 def showPreferencesGUI(script=None, inputEvent=None):
     """Displays the user interface to configure Cthulhu and set up
     user preferences using a GUI.