diff --git a/viloca/b2w.py b/viloca/b2w.py
index d3f4e40..0341bf7 100644
--- a/viloca/b2w.py
+++ b/viloca/b2w.py
@@ -737,6 +737,8 @@ def build_windows(alignment_file: str, tiling_strategy: TilingStrategy,
         reference_filename=reference_filename,
         threads=max_proc #1
     )
+    # print this message since pysam print confusing error message with the functions above.
+    print("Index file was created successfully.")
     #reffile = pysam.FastaFile(reference_filename) --> we need to read it in each child processo
     #counter = 0 #--> counter is now coputed initially for all windows
     reference_name = tiling_strategy.get_reference_name()
diff --git a/viloca/local_haplotype_inference/learn_error_params/run_dpm_mfa.py b/viloca/local_haplotype_inference/learn_error_params/run_dpm_mfa.py
index ffdb8a9..eabb610 100644
--- a/viloca/local_haplotype_inference/learn_error_params/run_dpm_mfa.py
+++ b/viloca/local_haplotype_inference/learn_error_params/run_dpm_mfa.py
@@ -11,7 +11,7 @@
 from . import cavi
 
 logging.basicConfig(
-    filename="viloca_inference.log", encoding="utf-8", level=logging.INFO
+    filename="viloca.log", encoding="utf-8", level=logging.INFO
 )
 
 
diff --git a/viloca/local_haplotype_inference/use_quality_scores/run_dpm_mfa.py b/viloca/local_haplotype_inference/use_quality_scores/run_dpm_mfa.py
index b62a84f..58ff5b4 100644
--- a/viloca/local_haplotype_inference/use_quality_scores/run_dpm_mfa.py
+++ b/viloca/local_haplotype_inference/use_quality_scores/run_dpm_mfa.py
@@ -13,7 +13,7 @@
 from . import cavi
 
 logging.basicConfig(
-    filename="viloca_inference.log", encoding="utf-8", level=logging.INFO
+    filename="viloca.log", encoding="utf-8", level=logging.INFO
 )
 
 
diff --git a/viloca/shotgun.py b/viloca/shotgun.py
index 95618f2..e14533d 100644
--- a/viloca/shotgun.py
+++ b/viloca/shotgun.py
@@ -521,7 +521,7 @@ def main(args):
     logging.debug("[shotgun] All processes completed successfully.")
 
     # prepare directories
-    for sd_name in ['debug', 'sampling', 'freq', 'support',
+    for sd_name in ['debug', 'haplotypes',
                     'corrected', 'raw_reads', 'inference']:
         try:
             os.mkdir(sd_name)
@@ -555,9 +555,8 @@ def main(args):
     move_files_into_dir("debug", glob.glob("./w*dbg"))
     move_files_into_dir("sampling", glob.glob("./w*smp"))
     move_files_into_dir("corrected", glob.glob("./w*reads-cor.fas"))
-    move_files_into_dir("support", glob.glob("./w*reads-support.fas"))
-    move_files_into_dir("freq", glob.glob("./w*reads-freq.csv"))
-    move_files_into_dir("sampling", glob.glob("./w*smp"))
+    move_files_into_dir("haplotypes", glob.glob("./w*reads-support.fas"))
+    #move_files_into_dir("sampling", glob.glob("./w*smp"))
     raw_reads_files = glob.glob('./w*reads.fas') + glob.glob('./w*ref.fas') + glob.glob('./w*qualities.npy')
     move_files_into_dir("raw_reads", raw_reads_files)
     inference_files = glob.glob("./w*best_run.txt") + glob.glob("./w*history_run*.csv") + glob.glob("./w*results*.pkl")
@@ -684,3 +683,5 @@ def main(args):
             shutil.move(snv_file, 'snv/')
 
     logging.info('shotgun run ends')
+    logging.info('VILOCA terminated')
+    print("VILOCA terminated successfully.")