diff --git a/transcribe_all.py b/transcribe_all.py
index bfea85a..ef4d5db 100755
--- a/transcribe_all.py
+++ b/transcribe_all.py
@@ -214,21 +214,32 @@ def process_file(file_path, model, audio_input):
 
 def process_folder(root_folder):
     """
-    Walk through root_folder and process .mp3 files, applying skip rules.
-    Only files that need to be transcribed (i.e. transcription does not already exist)
-    will have their audio pre-loaded concurrently.
+    Walk through root_folder and process .mp3 files.
+    Differentiates between “folder not found” and “folder empty.”
+    Select files that need to be transcribed (i.e. transcription does not already exist, applying certain rules)
     """
     global start_time
     keywords = ["musik", "chor", "lied", "gesang", "orchester", "orhester", "melodi", "sot"]
     print("Create file list...")
     
+    # path actually exist / can we even try to list it?
+    if not os.path.exists(root_folder):
+        print(f"Error: Path '{root_folder}' does not exist or is not reachable.")
+        return
+
+    if not os.path.isdir(root_folder):
+        print(f"Error: Path '{root_folder}' exists but is not a folder.")
+        return
+
+    # Now we know the folder exists; let's scan it.
+    print(f"Scanning '{root_folder}' for .mp3 files…")
     valid_files = []
-    checked_files = 0    
-    # Walk the folder and build a list of files to transcribe.
+    checked_files = 0
+
     for dirpath, _, filenames in os.walk(root_folder):
         for filename in filenames:
             if filename.lower().endswith(".mp3"):
-                checked_files = checked_files + 1
+                checked_files += 1
                 filename_lower = filename.lower()
                 file_path = os.path.join(dirpath, filename)
                 # Skip files with skip keywords.
@@ -245,11 +256,19 @@ def process_folder(root_folder):
                 
                 valid_files.append(file_path)
 
-    if len(valid_files) == 0:
-        print(f"Checked {checked_files} files. All files are transcribed.")
+    # If the folder was empty of .mp3s, checked_files will be 0,
+    # but we know it existed because we passed the exists()/isdir() tests.
+    if checked_files == 0:
+        print(f"Checked 0 files in '{root_folder}'. Folder is empty of .mp3s.")
         return
-    else:
-        print(f"Checked {checked_files} files. Start to transcribe {len(valid_files)} files.")
+
+    # If you made it here, checked_files > 0 but maybe all were already transcribed:
+    if len(valid_files) == 0:
+        print(f"Checked {checked_files} files. All files are already transcribed.")
+        return
+
+    # Otherwise you have files to process…
+    print(f"Checked {checked_files} files. {len(valid_files)} need transcription.")
     
     # Choose “cuda” if available, otherwise “cpu”
     device = "cuda" if torch.cuda.is_available() else "cpu"