diff --git a/main.py b/main.py
index 8041fec..ef3f4b8 100644
--- a/main.py
+++ b/main.py
@@ -11,31 +11,68 @@
 root.geometry("385x594+300+200")
 root.resizable(False,False)
 root.configure(bg='#96BFFF')
-key="get your free api key from openCage website"
+key='YOUR_OPENCAGE_API_KEY'  # Get your free API key at https://opencagedata.com/ (keep API key in quotes, do not remove quotes)
 
 def track():
-    enter_nb=entry.get()
-    number=phonenumbers.parse(enter_nb)
-
-    location=geocoder.description_for_number(number,'en')
-    country.config(text=location)
-
-    service=carrier.name_for_number(number,'en')
-    sim.config(text=service)
-
-    query = str(location)
-    results = OpenCageGeocode(key).geocode(query)
-
-    lat = results[0]['geometry']['lat']
-    lng = results[0]['geometry']['lng']
-
-    myMap = folium.Map(location=[lat, lng], Zoom_start=9)
-
-    folium.Marker([lat, lng], popup=location).add_to(myMap)
-    myMap.save("myLocation.html")
+    try:
+        enter_nb = entry.get().strip()
+        if not enter_nb:
+            country.config(text="Enter a number")
+            return
+        
+        # Clean up the input - add + if it starts with a digit (country code)
+        if enter_nb[0].isdigit():
+            enter_nb = '+' + enter_nb
+        
+        # Parse phone number with US as fallback region for numbers without country code
+        try:
+            number = phonenumbers.parse(enter_nb, None)
+        except phonenumbers.NumberParseException:
+            # Try with US as default region
+            number = phonenumbers.parse(enter_nb, 'US')
+        
+        # Get location description
+        location = geocoder.description_for_number(number, 'en')
+        if not location:
+            country.config(text="Location not found")
+            sim.config(text="Unknown")
+            return
+        country.config(text=location)
+        
+        # Get carrier/SIM info
+        service = carrier.name_for_number(number, 'en')
+        sim.config(text=service if service else "Unknown")
+        
+        # Geocode the location to get coordinates
+        query = str(location)
+        results = OpenCageGeocode(key).geocode(query)
+        
+        if not results:
+            country.config(text="Could not geocode")
+            return
+        
+        lat = results[0]['geometry']['lat']
+        lng = results[0]['geometry']['lng']
+        
+        # Create map with correct parameter name (zoom_start, not Zoom_start)
+        myMap = folium.Map(location=[lat, lng], zoom_start=9)
+        folium.Marker([lat, lng], popup=location).add_to(myMap)
+        myMap.save("myLocation.html")
+        
+    except phonenumbers.NumberParseException:
+        country.config(text="Invalid number format")
+        sim.config(text="Use +country code")
+    except Exception as e:
+        country.config(text="Error occurred")
+        print(f"Error: {e}")
 
 def open_map():
-    webbrowser.open("myLocation.html")
+    import os
+    file_path = os.path.abspath("myLocation.html")
+    if os.path.exists(file_path):
+        webbrowser.open('file://' + file_path)
+    else:
+        country.config(text="Track a number first")
 
 logo =PhotoImage(file="logo.png")
 Label(root,image=logo,bg="#96BFFF").place(x=135,y=40)