diff --git a/clocky.py b/clocky.py
index 4660d90..953752b 100755
--- a/clocky.py
+++ b/clocky.py
@@ -81,7 +81,6 @@ brightness=0
 snooze=0
 count=0
 
-print("")
 print('My PID is %d' %os.getpid())
 signal.signal(signal.SIGHUP, receive_signal)
 signal.signal(signal.SIGINT, receive_signal)
@@ -94,10 +93,9 @@ but3=button.Button(26)
 #------------------------------------------------------------------
 
 while not stopprogram:
-    print("reload config...")
+    print("Load config...")
     reload=False
 
-
 #   display=tm1637.TM1637(CLK=14, DIO=4, brightness=1)
     display=max7219.MAX7219(brightness=1)
 
@@ -107,18 +105,12 @@ while not stopprogram:
     print("reading mp3s from directory:")
     tracks=clockytracklist.ClockyTracklist("mp3",recursive=True,verbose=True)
     allmp3s=tracks.tracklist
-    if allmp3s==0:
-        print("ERROR: No mp3's found!")
-        display.showclock(" E rr")
-        sleep(30)
-        sys.exit()
-    
+
     c=0
     for m in allmp3s:
         print("  %2d : %s"%(c+1,m))
         c+=1
-
-
+    
     stamp()
     print("Started")
     sys.stdout.flush()
@@ -143,8 +135,8 @@ while not stopprogram:
                 settings = pickle.load(handle)
                 handle.close()
 
-    a_mins=settings['alarmtime']%60
-    a_hour=(settings['alarmtime']-a_mins)/60
+    a_mins=int(settings['alarmtime']%60)
+    a_hour=int((settings['alarmtime']-a_mins)/60)
     print("Alarmtime   : %02d:%02d"%(a_hour,a_mins))
     print("Alarmdisable: %d"%(settings['alarmdisabled']))
     print("Starttrack  : %d"%(settings['starttrack']))
@@ -236,8 +228,8 @@ while not stopprogram:
                         
         if looptype==1:       # show alarmtime
             if not settings["alarmdisabled"]==1:
-                a_mins=settings['alarmtime']%60
-                a_hour=(settings['alarmtime']-a_mins)/60
+                a_mins=int(settings['alarmtime']%60)
+                a_hour=int((settings['alarmtime']-a_mins)/60)
                 
                 if colon:
                         tim="%02d:%02d" % (a_hour, a_mins)
@@ -264,11 +256,12 @@ while not stopprogram:
                 
         if looptype==2:       # edit alarmtime
         
+
                 delta=0
-                sm=settings['alarmtime']%10
-                dm=((settings['alarmtime']-sm)/10)%6
-                sh=(settings['alarmtime']-dm)/60%10
-                dh=(settings['alarmtime']-sh)/600
+                sm=int(settings['alarmtime']%10)
+                dm=int(((settings['alarmtime']-sm)/10)%6)
+                sh=int((settings['alarmtime']-dm)/60%10)
+                dh=int((settings['alarmtime']-sh)/600)
 
                 if colon:
                         tim="%0d%0d:%0d%0d" % (dh,sh,dm,sm)
@@ -376,8 +369,8 @@ while not stopprogram:
                                 soundpreview=1
 
                 tr=track
-                tl=settings["track%d"%tr]%10
-                th=(settings["track%d"%tr]-tl)/10
+                tl=int(settings["track%d"%tr]%10)
+                th=int((settings["track%d"%tr]-tl)/10)
 
                 if colon:
                         tim="%d=:%d%d" % (tr,th,tl)
@@ -418,8 +411,8 @@ while not stopprogram:
                 
                 delta=0
                 tr=track
-                tl=settings["track%d"%tr]%10
-                th=(settings["track%d"%tr]-tl)/10
+                tl=int(settings["track%d"%tr]%10)
+                th=int((settings["track%d"%tr]-tl)/10)
 
                 if colon:
                         tim="%d=:%d%d" % (tr,th,tl)
diff --git a/clockytracklist.py b/clockytracklist.py
index cac0fb9..b2bf0c7 100644
--- a/clockytracklist.py
+++ b/clockytracklist.py
@@ -13,13 +13,22 @@ class ClockyTracklist:
         self.__verbose=verbose
         self.__sort=sort
         self.__reloaded=False
+        self.supportedformats=EXTENSIONS
 
         p=Path(self.path)
-        if(not p.is_dir()):
+        if not p.exists():
+            print("ERROR: directory \""+path+"\" does not exist")
+            exit();
+        if not p.is_dir():
             print("ERROR: \""+path+"\" is not an directory")
             exit();
 
         self.__ReadTrackList()
+
+        if self.count==0:
+            print("ERROR: no (supported) files found in directory \""+path+"\"")
+            exit();
+
         if(self.__verbose):
             self.ShowTrackList()