diff --git a/__init__.py b/__init__.py
index c297524..294c93e 100644
--- a/__init__.py
+++ b/__init__.py
@@ -453,9 +453,26 @@ class AutoLoadRifeTensorrtModel:
 
         if not os.path.exists(tensorrt_model_path):
             if not os.path.exists(onnx_model_path):
-                onnx_model_download_url = f"https://huggingface.co/yuvraj108c/rife-onnx/resolve/main/{model}.onnx"
-                rife_logger.info(f"Downloading {onnx_model_download_url}")
-                download_file(url=onnx_model_download_url, save_path=onnx_model_path)
+                # Try multiple download sources in case the primary one fails
+                onnx_download_urls = [
+                    f"https://huggingface.co/yuvraj108c/rife-onnx/resolve/main/{model}.onnx",
+                    f"https://huggingface.co/marduk191/rife/resolve/main/{model}.onnx",
+                ]
+                download_success = False
+                for url in onnx_download_urls:
+                    try:
+                        rife_logger.info(f"Downloading {url}")
+                        download_file(url=url, save_path=onnx_model_path)
+                        download_success = True
+                        break
+                    except Exception as e:
+                        rife_logger.warning(f"Download failed from {url}: {e}")
+                        continue
+                if not download_success:
+                    raise RuntimeError(
+                        f"Failed to download ONNX model '{model}.onnx' from all sources. "
+                        f"You can manually export it using export_onnx.py and place it in: {onnx_model_path}"
+                    )
             else:
                 rife_logger.info(f"ONNX model found at: {onnx_model_path}")
 
diff --git a/utilities.py b/utilities.py
index 0362ed6..5ac54b8 100644
--- a/utilities.py
+++ b/utilities.py
@@ -81,10 +81,20 @@ def download_file(url, save_path):
     Args:
         url (str): URL of the file to download
         save_path (str): Path to save the file as
+
+    Raises:
+        RuntimeError: If the download fails (HTTP error or empty file)
     """
     GREEN = '\033[92m'
     RESET = '\033[0m'
     response = requests.get(url, stream=True)
+
+    if response.status_code != 200:
+        raise RuntimeError(
+            f"Download failed with HTTP {response.status_code} for {url}. "
+            f"The file may not exist at this URL."
+        )
+
     total_size = int(response.headers.get('content-length', 0))
 
     with open(save_path, 'wb') as file, tqdm(
@@ -98,4 +108,24 @@ def download_file(url, save_path):
     ) as progress_bar:
         for data in response.iter_content(chunk_size=1024):
             size = file.write(data)
-            progress_bar.update(size)
\ No newline at end of file
+            progress_bar.update(size)
+
+    # Validate the downloaded file
+    import os
+    file_size = os.path.getsize(save_path)
+    if file_size < 1024:
+        os.remove(save_path)
+        raise RuntimeError(
+            f"Downloaded file is too small ({file_size} bytes) — likely an error page. "
+            f"URL: {url}"
+        )
+
+    # Check ONNX magic bytes (protobuf tag for onnx.ModelProto starts with \x08)
+    if save_path.endswith('.onnx'):
+        with open(save_path, 'rb') as f:
+            header = f.read(16)
+        if b'<html' in header.lower() or b'<!doctype' in header.lower():
+            os.remove(save_path)
+            raise RuntimeError(
+                f"Downloaded file is HTML, not ONNX. The model may not exist at: {url}"
+            )
\ No newline at end of file