diff --git a/resources/language/English/strings.xml b/resources/language/English/strings.xml
index 0525bd6..4848aed 100644
--- a/resources/language/English/strings.xml
+++ b/resources/language/English/strings.xml
@@ -39,6 +39,8 @@
 	<string id="30054">Removing backup</string>
 	<string id="30056">Check log for Dropbox authorize URL</string>
 	<string id="30057">Click OK when authorized</string>
+	<string id="30058">Dropbox Developer Code Needed</string>
+	<string id="30059">Visit https://www.dropbox.com/developers</string>
 	
 	<string id="30060">Enable Scheduler</string>
     <string id="30061">Schedule</string>
diff --git a/resources/lib/vfs.py b/resources/lib/vfs.py
index a86247b..2d7a1d0 100644
--- a/resources/lib/vfs.py
+++ b/resources/lib/vfs.py
@@ -64,6 +64,10 @@ class DropboxFileSystem(Vfs):
     client = None
     
     def __init__(self):
+        if(APP_KEY == '' or APP_SECRET == ''):
+            xbmcgui.Dialog().ok(utils.getString(30010),utils.getString(30058),utils.getString(30059))
+            return
+        
         user_token_key,user_token_secret = self.getToken()
         
         sess = session.DropboxSession(APP_KEY,APP_SECRET,"app_folder")