diff --git a/news/89.bugfix.rst b/news/89.bugfix.rst
new file mode 100644
index 0000000..b27dae997
--- /dev/null
+++ b/news/89.bugfix.rst
@@ -0,0 +1 @@
+Skip invalid entries from Windows registry.
diff --git a/src/pythonfinder/models/path.py b/src/pythonfinder/models/path.py
index d112386..7a19718 100644
--- a/src/pythonfinder/models/path.py
+++ b/src/pythonfinder/models/path.py
@@ -302,7 +302,7 @@ def _remove_path(self, path):
             normalized = normalize_path(current_path)
             if normalized != target:
                 new_order.append(normalized)
-        new_order = [p for p in reversed(new_order)]
+        new_order = [ensure_path(p).as_posix() for p in reversed(new_order)]
         return attr.evolve(self, path_order=new_order, paths=new_paths)
 
     def _setup_asdf(self):
diff --git a/src/pythonfinder/models/windows.py b/src/pythonfinder/models/windows.py
index ca1a107..fb36a27 100644
--- a/src/pythonfinder/models/windows.py
+++ b/src/pythonfinder/models/windows.py
@@ -96,7 +96,7 @@ def get_versions(self):
                 py_version = PythonVersion.from_windows_launcher(
                     version_object, name=name, company=company
                 )
-            except InvalidPythonVersion:
+            except (InvalidPythonVersion, AttributeError):
                 continue
             if py_version is None:
                 continue