diff --git a/npbackup/gui/config.py b/npbackup/gui/config.py
index 60d83d1..5f501df 100644
--- a/npbackup/gui/config.py
+++ b/npbackup/gui/config.py
@@ -63,7 +63,6 @@ sg.TreeData.delete = delete
 
 
 ENCRYPTED_DATA_PLACEHOLDER = "<{}>".format(_t("config_gui.encrypted_data"))
-BAD_KEYS_FOUND_IN_CONFIG = set()
 
 
 def ask_manager_password(manager_password: str) -> bool:
@@ -192,7 +191,9 @@ def config_gui(full_config: dict, config_file: str):
                     raise ValueError("Bogus object type given")
         window.close()
         if object_type and object_name:
-            full_config = update_object_gui(full_config, object_type, object_name, unencrypted=False)
+            full_config = update_object_gui(
+                full_config, object_type, object_name, unencrypted=False
+            )
             update_global_gui(full_config, unencrypted=False)
         return full_config, object_type, object_name
 
@@ -289,7 +290,7 @@ def config_gui(full_config: dict, config_file: str):
         Update gui values depending on their type
         This not called directly, but rather from update_object_gui which calls iter_over_config which calls this function
         """
-        global BAD_KEYS_FOUND_IN_CONFIG
+        nonlocal BAD_KEYS_FOUND_IN_CONFIG
 
         nonlocal backup_paths_tree
         nonlocal tags_tree
@@ -629,7 +630,12 @@ def config_gui(full_config: dict, config_file: str):
         update_source_layout(source_type)
 
         if BAD_KEYS_FOUND_IN_CONFIG:
-            if sg.popup_yes_no(_t("config_gui.delete_bad_keys") + f":{BAD_KEYS_FOUND_IN_CONFIG}"):
+            answer = sg.popup_yes_no(
+                _t("config_gui.delete_bad_keys")
+                + f": {','.join(BAD_KEYS_FOUND_IN_CONFIG)}",
+                keep_on_top=True,
+            )
+            if answer == "Yes":
                 for key in BAD_KEYS_FOUND_IN_CONFIG:
                     full_key_path = f"{object_type}.{object_name}.{key}"
                     logger.info(f"Deleting bogus key {full_key_path}")
@@ -2229,6 +2235,8 @@ Google Cloud storage: GOOGLE_PROJECT_ID  GOOGLE_APPLICATION_CREDENTIALS\n\
         enable_close_attempted_event=True,
     )
 
+    # Init fresh config objects
+    BAD_KEYS_FOUND_IN_CONFIG = set()
     backup_paths_tree = sg.TreeData()
     tags_tree = sg.TreeData()
     exclude_patterns_tree = sg.TreeData()
diff --git a/npbackup/translations/config_gui.en.yml b/npbackup/translations/config_gui.en.yml
index 70229b1..db115ce 100644
--- a/npbackup/translations/config_gui.en.yml
+++ b/npbackup/translations/config_gui.en.yml
@@ -62,7 +62,7 @@ en:
   runner_not_configured: Backend not configured properly. Please see logs
   no_binary: Cannot find backup backend. Please install restic binary from restic.net
   key_error: Key from configuration has no match in GUI
-  delete_bad_keys: Do you want to delete the bogus keys ? Note that this only affects current object. If key is inherited, you will need to load corresponding group
+  delete_bad_keys: Do you want to delete the bogus keys ? Note that this only affects current object. If key is inherited, you will need to load corresponding group. Concerned keys in current object
 
   configuration_saved: Configuration saved
   cannot_save_configuration: Could not save configuration. See logs for further info
diff --git a/npbackup/translations/config_gui.fr.yml b/npbackup/translations/config_gui.fr.yml
index 53e464b..1c05518 100644
--- a/npbackup/translations/config_gui.fr.yml
+++ b/npbackup/translations/config_gui.fr.yml
@@ -63,7 +63,7 @@ fr:
   runner_not_configured: Backend non configuré proprement. Verifier les logs
   no_binary: Impossible de trouver le coeur de sauvegarde. Merci d'installer le binaire restic depuis restic.net
   key_error: Un entrée de la configuration n'a pas d'équivalent dans l'interface
-  delete_bad_keys: Souhaitez-vous supprimer les entrées non conformes ? Notez que seul l'objet courant sera affecté. Si l'entrée est un héritage, il faudra charger le groupe correspondant
+  delete_bad_keys: Souhaitez-vous supprimer les entrées non conformes ? Notez que seul l'objet courant sera affecté. Si l'entrée est un héritage, il faudra charger le groupe correspondant. Entrées concernées dans l'objet courant
 
   configuration_saved: Configuration sauvegardée
   cannot_save_configuration: Impossible d'enregistrer la configuration. Veuillez consulter les journaux pour plus de détails