Update UpdateService.cs

Author: yaira2

src/Files.App/Services/UpdateService.cs

@@ -6,6 +6,7 @@
 using Microsoft.UI.Xaml.Controls;
 using System.IO;
 using System.Net.Http;
+using Windows.Foundation.Metadata;
 using Windows.Services.Store;
 using Windows.Storage;
 using WinRT.Interop;
@@ -146,6 +147,9 @@ private static async Task<bool> ShowDialogAsync()
 				PrimaryButtonText = "ConsentDialogPrimaryButtonText".GetLocalizedResource()
 			};
 
+			if (ApiInformation.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 8))
+				dialog.XamlRoot = MainWindow.Instance.Content.XamlRoot;
+
 			ContentDialogResult result = await dialog.TryShowAsync();
 
 			return result == ContentDialogResult.Primary;