diff --git a/invokeai/backend/model_management/model_probe.py b/invokeai/backend/model_management/model_probe.py
index 2828cc7ab1..938868e714 100644
--- a/invokeai/backend/model_management/model_probe.py
+++ b/invokeai/backend/model_management/model_probe.py
@@ -78,7 +78,6 @@ class ModelProbe(object):
             format_type = 'diffusers' if model_path.is_dir() else 'checkpoint'
         else:
             format_type = 'diffusers' if isinstance(model,(ConfigMixin,ModelMixin)) else 'checkpoint'
-
         model_info = None
         try:
             model_type = cls.get_model_type_from_folder(model_path, model) \
@@ -105,7 +104,7 @@ class ModelProbe(object):
                                      ) else 512,
             )
         except Exception:
-            return None
+            raise
 
         return model_info
 
diff --git a/invokeai/frontend/install/model_install.py b/invokeai/frontend/install/model_install.py
index 33ef114912..f3ebcb22be 100644
--- a/invokeai/frontend/install/model_install.py
+++ b/invokeai/frontend/install/model_install.py
@@ -678,9 +678,8 @@ def select_and_download_models(opt: Namespace):
 
     # this is where the TUI is called
     else:
-        # needed because the torch library is loaded, even though we don't use it
-        # currently commented out because it has started generating errors (?)
-        # torch.multiprocessing.set_start_method("spawn")
+        # needed to support the probe() method running under a subprocess
+        torch.multiprocessing.set_start_method("spawn")
 
         # the third argument is needed in the Windows 11 environment in
         # order to launch and resize a console window running this program