diff --git a/Pilz.Updating.Client.Gui/UpdateClientGui.cs b/Pilz.Updating.Client.Gui/UpdateClientGui.cs
index b01759d..90eccb1 100644
--- a/Pilz.Updating.Client.Gui/UpdateClientGui.cs
+++ b/Pilz.Updating.Client.Gui/UpdateClientGui.cs
@@ -38,10 +38,10 @@ public class UpdateClientGui
 
     // F e a t u r e s
 
-    public async Task UpdateInteractive(Form parentForm)
+    public async Task<bool> UpdateInteractive(Form parentForm)
     {
         this.parentForm = parentForm;
-        await updateClient.UpdateInteractive();
+        return await updateClient.UpdateInteractive();
     }
 
     private void EndUpdating()
diff --git a/Pilz.Updating.Client/UpdateClient.cs b/Pilz.Updating.Client/UpdateClient.cs
index 719c003..61cac6a 100644
--- a/Pilz.Updating.Client/UpdateClient.cs
+++ b/Pilz.Updating.Client/UpdateClient.cs
@@ -47,18 +47,21 @@ public class UpdateClient(string updateUrl, AppVersion currentVersion, AppChanne
 
     // U p d a t e   r o u t i n e s
 
-    public async Task UpdateInteractive()
+    public async Task<bool> UpdateInteractive()
     {
         var latestVersion = await CheckForUpdate();
 
         if (HasUpdates && latestVersion is not null)
-            await UpdateInteractive(latestVersion);
+            return await UpdateInteractive(latestVersion);
+
+        return false;
     }
 
-    public async Task UpdateInteractive(UpdatePackageInfo package)
+    public async Task<bool> UpdateInteractive(UpdatePackageInfo package)
     {
         if (await DownloadPackageAsync(package))
-            await InstallPackageAsync(package, HostApplicationPath);
+            return await InstallPackageAsync(package, HostApplicationPath);
+        return false;
     }
 
     // F e a t u r e s
@@ -148,19 +151,19 @@ public class UpdateClient(string updateUrl, AppVersion currentVersion, AppChanne
         return true;
     }
 
-    public void InstallPackage(UpdatePackageInfo package, string? localInstallPath)
+    public bool InstallPackage(UpdatePackageInfo package, string? localInstallPath)
     {
         if (string.IsNullOrWhiteSpace(localInstallPath) || !dicPackagePaths.TryGetValue(package, out var packagePath))
         {
             RaiseStatusChanged(UpdateStatus.Failed);
-            return;
+            return false;
         }
 
         // Extract Package
         if (RaiseStatusChanged(UpdateStatus.Extracting, UpdateStatusEvent.PreEvent, true))
         {
             RaiseStatusChanged(UpdateStatus.Canceled);
-            return;
+            return false;
         }
         string dataPath;
         if (package.PackageType == PackageType.Zip)
@@ -203,9 +206,10 @@ public class UpdateClient(string updateUrl, AppVersion currentVersion, AppChanne
 
         // Finish
         RaiseStatusChanged(UpdateStatus.Done, UpdateStatusEvent.Default);
+        return true;
     }
 
-    public Task InstallPackageAsync(UpdatePackageInfo package, string? localInstallPath)
+    public Task<bool> InstallPackageAsync(UpdatePackageInfo package, string? localInstallPath)
     {
         return Task.Run(() => InstallPackage(package, localInstallPath));
     }