diff --git a/nice.py b/nice.py
index 239bc26..0932f5f 100644
--- a/nice.py
+++ b/nice.py
@@ -715,6 +715,15 @@ def launch_app(
 
     logger.debug(f"Work dir: {WORK_DIR}")
 
+    # When running as a frozen executable, the native/webview backend
+    # (which depends on pythonnet) can fail to load inside the bundled
+    # runtime. Disable native mode automatically for frozen builds so the
+    # app falls back to launching in the browser and remains usable.
+    if getattr(sys, "frozen", False):
+        if native_mode:
+            logger.debug("Running frozen executable: disabling native mode to avoid pythonnet loader issues")
+        native_mode = False
+
     if nng:
         socket_error = False
         try: