diff --git a/comfyui_manager/__init__.py b/comfyui_manager/__init__.py
index a99aecb5..1dd0791e 100644
--- a/comfyui_manager/__init__.py
+++ b/comfyui_manager/__init__.py
@@ -1,6 +1,7 @@
 import os
 import logging
 
+
 def prestartup():
     from . import prestartup_script  # noqa: F401
     logging.info('[PRE] ComfyUI-Manager')
@@ -15,3 +16,18 @@ def start():
     if os.environ.get('ENABLE_LEGACY_COMFYUI_MANAGER_FRONT', 'false') == 'true':
         import nodes
         nodes.EXTENSION_WEB_DIRS['comfyui-manager-legacy'] = os.path.join(os.path.dirname(__file__), 'js')
+
+
+def should_be_disabled(fullpath:str) -> bool:
+    """
+    1. Disables the legacy ComfyUI-Manager.
+    2. The blocklist can be expanded later based on policies.
+    """
+
+    # In cases where installation is done via a zip archive, the directory name may not be comfyui-manager, and it may not contain a git repository.
+    # It is assumed that any installed legacy ComfyUI-Manager will have at least 'comfyui-manager' in its directory name.
+    dir_name = os.path.basename(fullpath).lower()
+    if 'comfyui-manager' in dir_name:
+        return True
+    else:
+        return False