diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/Program.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/Program.cs
index 57d7a80..14f5e22 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/Program.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/Program.cs
@@ -47,15 +47,33 @@ namespace WelsonJS.Launcher
             );
 
             // telemetry
-            string telemetryProvider = GetAppConfig("TelemetryProvider");
-            var telemetryOptions = new TelemetryOptions
+            try
             {
-                ApiKey = GetAppConfig("TelemetryApiKey"),
-                BaseUrl = GetAppConfig("TelemetryBaseUrl"),
-                DistinctId = TelemetryIdentity.GetDistinctId(),
-                Disabled = !string.Equals(GetAppConfig("TelemetryEnabled"), "true", StringComparison.OrdinalIgnoreCase)
-            };
-            _telemetryClient = new TelemetryClient(telemetryProvider, telemetryOptions, _logger);
+                var telemetryProvider = GetAppConfig("TelemetryProvider");
+                var telemetryOptions = new TelemetryOptions
+                {
+                    ApiKey = GetAppConfig("TelemetryApiKey"),
+                    BaseUrl = GetAppConfig("TelemetryBaseUrl"),
+                    DistinctId = TelemetryIdentity.GetDistinctId(),
+                    Disabled = !string.Equals(
+                        GetAppConfig("TelemetryEnabled"),
+                        "true",
+                        StringComparison.OrdinalIgnoreCase)
+                };
+
+                if (!telemetryOptions.Disabled &&
+                    !string.IsNullOrWhiteSpace(telemetryProvider) &&
+                    !string.IsNullOrWhiteSpace(telemetryOptions.ApiKey) &&
+                    !string.IsNullOrWhiteSpace(telemetryOptions.BaseUrl))
+                {
+                    _telemetryClient = new TelemetryClient(telemetryProvider, telemetryOptions, _logger);
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.Error($"Telemetry initialization failed: {ex}");
+                _telemetryClient = null;
+            }
         }
 
         [STAThread]
@@ -84,7 +102,10 @@ namespace WelsonJS.Launcher
             }
 
             // send event to the telemetry server
-            _telemetryClient.TrackAppStartedAsync("WelsonJS.Launcher", "0.2.7.57");
+            if (_telemetryClient != null)
+            {
+                _ = _telemetryClient.TrackAppStartedAsync("WelsonJS.Launcher", "0.2.7.57");
+            }
 
             // draw the main form
             Application.EnableVisualStyles();
diff --git a/WelsonJS.Toolkit/WelsonJS.Launcher/Telemetry/PosthogTelemetryProvider.cs b/WelsonJS.Toolkit/WelsonJS.Launcher/Telemetry/PosthogTelemetryProvider.cs
index ea445eb..63c6313 100644
--- a/WelsonJS.Toolkit/WelsonJS.Launcher/Telemetry/PosthogTelemetryProvider.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Launcher/Telemetry/PosthogTelemetryProvider.cs
@@ -66,11 +66,11 @@ namespace WelsonJS.Launcher.Telemetry
 
             try
             {
-                await _httpClient.PostAsync(
+                using (var response = await _httpClient.PostAsync(
                     url,
                     new StringContent(json, Encoding.UTF8, "application/json"),
                     cancellationToken
-                );
+                )) { /* disposed automatically */ }
             }
             catch
             {