diff --git a/README.md b/README.md
index 19ef267..068288a 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ make install
 ```git clone https://github.com/trustedsec/hate_crack.git```
 * Customize binary and wordlist paths in "config.json"
 * Make sure that at least "rockyou.txt" is within your "wordlists" path
+* The hashcat-utils repo is a submodule. Initialize with `git submodule update --init --recursive`
 -------------------------------------------------------------------
 ## Project Structure
 Core logic is now split into modules under `hate_crack/`:
diff --git a/hate_crack.py b/hate_crack.py
index 0b6a290..a1cff94 100755
--- a/hate_crack.py
+++ b/hate_crack.py
@@ -202,7 +202,7 @@ def verify_wordlist_dir(directory, wordlist):
         return directory + '/' + wordlist
     else:
         print('Invalid path for {0}. Please check configuration and try again.'.format(wordlist))
-        response = input(f"Wordlist '{wordlist}' not found. Would you like to download rockyou.txt automatically? (Y/n): ").strip().lower()
+        response = input(f"Wordlist '{wordlist}' not found. Would you like to download rockyou.txt.gz automatically? (Y/n): ").strip().lower()
         if response in ('', 'y', 'yes'):
             try:
                 import urllib.request
@@ -1351,10 +1351,15 @@ def hashview_api():
                 print(f"File: {cracked_file}")
                 print(f"Size: {file_size} bytes")
                 print(f"Lines: {line_count}")
-                
+
+                # Block upload if file is empty
+                if file_size == 0 or line_count == 0:
+                    print(f"✗ Error: File {cracked_file} is empty. Upload aborted.")
+                    continue
+
                 # Use the same hash type from main menu
                 hash_type = hcatHashType
-                
+
                 # Upload
                 print(f"\nUploading to Hashview (hash type: {hash_type})...")
                 try:
diff --git a/hate_crack/api.py b/hate_crack/api.py
index 724af6b..b2ae9da 100644
--- a/hate_crack/api.py
+++ b/hate_crack/api.py
@@ -595,14 +595,32 @@ class HashviewAPI:
         return resp.json()
 
     def download_left_hashes(self, customer_id, hashfile_id, output_file=None):
+        import sys
         url = f"{self.base_url}/v1/hashfiles/{hashfile_id}"
-        resp = self.session.get(url)
+        resp = self.session.get(url, stream=True)
         resp.raise_for_status()
         if output_file is None:
             output_file = f"left_{customer_id}_{hashfile_id}.txt"
+        total = int(resp.headers.get('content-length', 0))
+        downloaded = 0
+        chunk_size = 8192
         with open(output_file, 'wb') as f:
-            f.write(resp.content)
-        return {'output_file': output_file, 'size': len(resp.content)}
+            for chunk in resp.iter_content(chunk_size=chunk_size):
+                if chunk:
+                    f.write(chunk)
+                    downloaded += len(chunk)
+                    if total > 0:
+                        done = int(50 * downloaded / total)
+                        bar = '[' + '=' * done + ' ' * (50 - done) + ']'
+                        percent = 100 * downloaded / total
+                        sys.stdout.write(f"\rDownloading: {bar} {percent:5.1f}% ({downloaded}/{total} bytes)")
+                        sys.stdout.flush()
+            if total > 0:
+                sys.stdout.write("\n")
+        # If content-length is not provided, just print size at end
+        if total == 0:
+            print(f"Downloaded {downloaded} bytes.")
+        return {'output_file': output_file, 'size': downloaded}
 
     def upload_cracked_hashes(self, file_path, hash_type='1000'):
         valid_lines = []