diff --git a/controller.py b/controller.py
index 634d3181..cb826080 100644
--- a/controller.py
+++ b/controller.py
@@ -400,10 +400,11 @@ def callbackSelectedTranslationEngine(selected_translation_engine):
 def callbackToggleTranslation(is_turned_on):
     config.ENABLE_TRANSLATION = is_turned_on
     if config.ENABLE_TRANSLATION is True:
-        model.changeTranslatorCTranslate2Model()
+        if model.isLoadedCTranslate2Model() is False:
+            model.changeTranslatorCTranslate2Model()
         view.printToTextbox_enableTranslation()
     else:
-        model.clearTranslatorCTranslate2Model()
+        # model.clearTranslatorCTranslate2Model()
         view.printToTextbox_disableTranslation()
 
 def callbackToggleTranscriptionSend(is_turned_on):
diff --git a/model.py b/model.py
index 7d89a0a9..d5d5c3e7 100644
--- a/model.py
+++ b/model.py
@@ -103,8 +103,11 @@ class Model:
     def changeTranslatorCTranslate2Model(self):
         self.translator.changeCTranslate2Model(config.PATH_LOCAL, config.CTRANSLATE2_WEIGHT_TYPE)
 
-    def clearTranslatorCTranslate2Model(self):
-        self.translator.clearCTranslate2Model()
+    def isLoadedCTranslate2Model(self):
+        return self.translator.isLoadedCTranslate2Model()
+
+    # def clearTranslatorCTranslate2Model(self):
+    #     self.translator.clearCTranslate2Model()
 
     def checkTranscriptionWhisperModelWeight(self):
         return checkWhisperWeight(config.PATH_LOCAL, config.WHISPER_WEIGHT_TYPE)
diff --git a/models/translation/translation_translator.py b/models/translation/translation_translator.py
index d2717747..0ef71b88 100644
--- a/models/translation/translation_translator.py
+++ b/models/translation/translation_translator.py
@@ -14,6 +14,7 @@ class Translator():
         self.deepl_client = None
         self.ctranslate2_translator = None
         self.ctranslate2_tokenizer = None
+        self.is_loaded_ctranslate2_model = False
 
     def authenticationDeepLAuthKey(self, authkey):
         result = True
@@ -44,24 +45,30 @@ class Translator():
             print("Error: changeCTranslate2Model()", e)
             tokenizer_path = os.path.join("./weights", "ctranslate2", directory_name, "tokenizer")
             self.ctranslate2_tokenizer = transformers.AutoTokenizer.from_pretrained(tokenizer, cache_dir=tokenizer_path)
+        self.is_loaded_ctranslate2_model = True
 
-    def clearCTranslate2Model(self):
-        del self.ctranslate2_translator
-        del self.ctranslate2_tokenizer
-        gc.collect()
-        self.ctranslate2_translator = None
-        self.ctranslate2_tokenizer = None
+    def isLoadedCTranslate2Model(self):
+        return self.is_loaded_ctranslate2_model
+
+    # def clearCTranslate2Model(self):
+    #     del self.ctranslate2_translator
+    #     del self.ctranslate2_tokenizer
+    #     gc.collect()
+    #     self.ctranslate2_translator = None
+    #     self.ctranslate2_tokenizer = None
 
     def translateCTranslate2(self, message, source_language, target_language):
-        try:
-            self.ctranslate2_tokenizer.src_lang = source_language
-            source = self.ctranslate2_tokenizer.convert_ids_to_tokens(self.ctranslate2_tokenizer.encode(message))
-            target_prefix = [self.ctranslate2_tokenizer.lang_code_to_token[target_language]]
-            results = self.ctranslate2_translator.translate_batch([source], target_prefix=[target_prefix])
-            target = results[0].hypotheses[0][1:]
-            result = self.ctranslate2_tokenizer.decode(self.ctranslate2_tokenizer.convert_tokens_to_ids(target))
-        except Exception:
-            result = False
+        result = False
+        if self.is_loaded_ctranslate2_model is True:
+            try:
+                self.ctranslate2_tokenizer.src_lang = source_language
+                source = self.ctranslate2_tokenizer.convert_ids_to_tokens(self.ctranslate2_tokenizer.encode(message))
+                target_prefix = [self.ctranslate2_tokenizer.lang_code_to_token[target_language]]
+                results = self.ctranslate2_translator.translate_batch([source], target_prefix=[target_prefix])
+                target = results[0].hypotheses[0][1:]
+                result = self.ctranslate2_tokenizer.decode(self.ctranslate2_tokenizer.convert_tokens_to_ids(target))
+            except Exception:
+                pass
         return result
 
     @staticmethod