diff --git a/src/Microsoft.Unity.Analyzers.Tests/UnityPath.cs b/src/Microsoft.Unity.Analyzers.Tests/UnityPath.cs
index 1a352e7..5a277ad 100644
--- a/src/Microsoft.Unity.Analyzers.Tests/UnityPath.cs
+++ b/src/Microsoft.Unity.Analyzers.Tests/UnityPath.cs
@@ -117,7 +117,14 @@ private static void RegisterRegistryInstallations()
 
 	private static void RegisterUnityInstallation(string path)
 	{
-		if (!string.IsNullOrEmpty(path) && Directory.Exists(path))
+		if (!string.IsNullOrEmpty(path) && Directory.Exists(path) && HasManagedAssemblies(path))
 			_unityInstallations.Add(path);
 	}
+
+	private static bool HasManagedAssemblies(string path)
+	{
+		// Skip partial installations (uninstall leftovers, stripped editors)
+		return File.Exists(Path.Combine(path, "Managed", "UnityEditor.dll"))
+			|| File.Exists(Path.Combine(path, "Resources", "Scripting", "Managed", "UnityEditor.dll"));
+	}
 }