diff --git a/Program/V1/Controllers/PushController.cs b/Program/V1/Controllers/PushController.cs
index c487772..064f8c1 100644
--- a/Program/V1/Controllers/PushController.cs
+++ b/Program/V1/Controllers/PushController.cs
@@ -38,14 +38,14 @@ public class PushController : ControllerBase
             if (_env.IsDevelopment())
             {
                 uri = "https://api.sandbox.push.apple.com";
-                p12FilePath = "/volume1/AcaMate/PROJECT/Application/Back/private/AM_Push_Sandbox.p12";
-                // "private/AM_Push_Sandbox.p12"; 
+                p12FilePath = "/volume1/AcaMate/PROJECT/Application/Back/private/AM_Push_Sandbox.pfx";
+                // p12FilePath =  "private/AM_Push_Sandbox.p12"; 
             }
             else
             {
                 uri = "https://api.push.apple.com";
-                p12FilePath = "/volume1/AcaMate/PROJECT/Application/Back/private/AM_Push.p12";
-                // "private/AM_Push.p12";
+                p12FilePath = "/volume1/AcaMate/PROJECT/Application/Back/private/AM_Push.pfx";
+                // p12FilePath = "private/AM_Push.p12";
             }
             var apnsTopic = "me.myds.ipstien.acamate.AcaMate";
 
diff --git a/Program/V1/Services/PushService.cs b/Program/V1/Services/PushService.cs
index 1766aa4..be459da 100644
--- a/Program/V1/Services/PushService.cs
+++ b/Program/V1/Services/PushService.cs
@@ -1,5 +1,6 @@
 using System.Net.Http;
 using System.Net.Http.Headers;
+using System.Security.Cryptography;
 using System.Security.Cryptography.X509Certificates;
 using System.Text;
 using System.Text.Json;
@@ -37,12 +38,26 @@ public class PushServiceWithP12
         };
         var jsonPayload = JsonSerializer.Serialize(payload);
         
-        var certificate = new X509Certificate2(p12Path, p12Password,
-            X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.Exportable
-            );
         
         var handler = new HttpClientHandler();
-        handler.ClientCertificates.Add(certificate);
+        
+        try
+        {
+            var certificate = new X509Certificate2(p12Path, p12Password,
+            X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.Exportable);
+            
+            handler.ClientCertificates.Add(certificate);
+        }
+        catch (CryptographicException ex)
+        {
+            Console.WriteLine($"CryptographicException: {ex.Message}");
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"Unexpected error: {ex.Message}");
+        }
+        
+        
         
         using var client = new HttpClient(handler)
         {