diff --git a/FFMpeg-Compressor/ffmpeg-comp.toml b/FFMpeg-Compressor/ffmpeg-comp.toml
index 43199df..2827a2a 100644
--- a/FFMpeg-Compressor/ffmpeg-comp.toml
+++ b/FFMpeg-Compressor/ffmpeg-comp.toml
@@ -1,5 +1,5 @@
 [FFMPEG]
-FFmpegParams = "-n -hide_banner -loglevel error"
+FFmpegParams = "-n -hide_banner -loglevel quiet"
 CopyUnprocessed = false
 MimicMode = false
 
diff --git a/FFMpeg-Compressor/main.py b/FFMpeg-Compressor/main.py
index bd7314a..f17dae7 100755
--- a/FFMpeg-Compressor/main.py
+++ b/FFMpeg-Compressor/main.py
@@ -44,6 +44,8 @@ for folder, folders, files in os.walk(orig_folder):
                 case "unknown":
                     comp_file = compressor.compress(folder, file, target_folder)
 
+            utils.check_file_existing(folder.replace(orig_folder, f"{orig_folder}_compressed"), file)
+
             if configloader.config['FFMPEG']['MimicMode']:
                 try:
                     os.rename(comp_file, f'{folder}_compressed/{file}')
diff --git a/FFMpeg-Compressor/modules/compressor.py b/FFMpeg-Compressor/modules/compressor.py
index 3455988..7c382b8 100644
--- a/FFMpeg-Compressor/modules/compressor.py
+++ b/FFMpeg-Compressor/modules/compressor.py
@@ -89,7 +89,6 @@ def compress_image(folder, file, target_folder):
 
 def compress(folder, file, target_folder):
     ffmpeg_params = configloader.config['FFMPEG']['FFmpegParams']
-    printer.warning("File extension not recognized. This may affect the quality of the compression.")
     printer.unknown_file(file)
     os.system(f"ffmpeg -i '{folder}/{file}' {ffmpeg_params} '{target_folder}/{file}'")
     return f'{target_folder}/{file}'
diff --git a/FFMpeg-Compressor/modules/printer.py b/FFMpeg-Compressor/modules/printer.py
index f735b01..f297a7d 100644
--- a/FFMpeg-Compressor/modules/printer.py
+++ b/FFMpeg-Compressor/modules/printer.py
@@ -38,5 +38,5 @@ def files(source, dest, dest_ext, comment):
 
 def unknown_file(file):
 
-    print(clean_str(f"\r[COMP] \033[0;33m{file}\033[0m"))
+    print(clean_str(f"\r[COMP] \033[0;33m{file}\033[0m (File extension not recognized)"))
     bar.next()
diff --git a/FFMpeg-Compressor/modules/utils.py b/FFMpeg-Compressor/modules/utils.py
index 3eb4d58..2828e28 100644
--- a/FFMpeg-Compressor/modules/utils.py
+++ b/FFMpeg-Compressor/modules/utils.py
@@ -3,6 +3,8 @@ from shutil import copyfile
 from glob import glob
 import os
 
+errors_count = 0
+
 
 def get_dir_size(directory, files):
     total_size = 0
@@ -42,11 +44,14 @@ def get_compression_status(orig_folder):
             if not os.path.splitext(file)[1].count(" (copy)"):
                 comp_folder_len += 1
 
+    if errors_count != 0:
+        printer.warning("Some files failed to compress!")
+
     if orig_folder_len == comp_folder_len:
         printer.info("Success!")
         get_compression(orig_folder, f"{orig_folder}_compressed")
     else:
-        printer.warning("Some files failed to compress!")
+        printer.warning("Original and compressed folders are not identical!")
         get_compression(orig_folder, f"{orig_folder}_compressed")
 
 
@@ -67,5 +72,13 @@ def add_unprocessed_files(orig_folder):
                     printer.info(f"File {file} copied to compressed folder.")
 
 
+def check_file_existing(folder, file):
+    if not len(glob(f"{folder}/{os.path.splitext(file)[0]}*")):
+        global errors_count
+        errors_count += 1
+        printer.error(f"{file} not processed. It can be ffmpeg error or file type is unsupported. "
+                      f"You can set '-loglevel error' in ffmpeg config to see full error.")
+
+
 def help_message():
     return "Usage: ffmpeg-comp {folder}"