Fix (#548)

Source/LibationWinForms/Dialogs/Login/LoginChoiceEagerDialog.cs

@@ -37,6 +37,12 @@ namespace LibationWinForms.Dialogs.Login
 			Email = accountId;
 			Password = this.passwordTb.Text;
 
+			if (string.IsNullOrWhiteSpace(Password))
+			{
+				MessageBox.Show("Please enter your password");
+				return;
+			}
+
 			Serilog.Log.Logger.Information("Submit button clicked: {@DebugInfo}", new { email = Email?.ToMask(), passwordLength = Password.Length });
 
 			LoginMethod = AudibleApi.LoginMethod.Api;

Source/LibationWinForms/Dialogs/Login/WinformLoginChoiceEager.cs

@@ -25,7 +25,7 @@ namespace LibationWinForms.Login
 		{
 			using var dialog = new LoginChoiceEagerDialog(_account);
 
-			if (!ShowDialog(dialog))
+			if (!ShowDialog(dialog) || string.IsNullOrWhiteSpace(dialog.Password))
 				return null;
 
 			switch (dialog.LoginMethod)

Source/LibationWinForms/Form1.ScanAuto.cs

@@ -38,7 +38,11 @@ namespace LibationWinForms
 					else
 						await importAsync();
 				}
-                catch (Exception ex)
+				catch (OperationCanceledException)
+				{
+					Serilog.Log.Information("Audible login attempt cancelled by user");
+				}
+				catch (Exception ex)
                 {
 					Serilog.Log.Logger.Error(ex, "Error invoking auto-scan");
                 }

Source/LibationWinForms/Form1.ScanManual.cs

@@ -80,6 +80,10 @@ namespace LibationWinForms
 				if (Configuration.Instance.ShowImportedStats && newAdded > 0)
 					MessageBox.Show($"Total processed: {totalProcessed}\r\nNew: {newAdded}");
 			}
+			catch (OperationCanceledException)
+			{
+				Serilog.Log.Information("Audible login attempt cancelled by user");
+			}
 			catch (Exception ex)
 			{
 				MessageBoxLib.ShowAdminAlert(

Source/LibationWinForms/GridView/ProductsDisplay.cs

@@ -288,6 +288,10 @@ namespace LibationWinForms.GridView
 
 				productsGrid_RemovableCountChanged(this, null);
 			}
+			catch (OperationCanceledException)
+			{
+				Serilog.Log.Information("Audible login attempt cancelled by user");
+			}
 			catch (Exception ex)
 			{
 				MessageBoxLib.ShowAdminAlert(