Removes default instructions from the installer service, passing in empty instructions is ok now and the server will assign defaults if they are empty.

src/Umbraco.Web.UI.Client/src/installer/installer.service.js

@@ -11,8 +11,6 @@ angular.module("umbraco.install").factory('installerService', function($q, $time
 	var _installerModel = {
 	    installId: undefined,
         instructions: {
-            DatabaseConfigure: { dbType: 0 },
-            StarterKitDownload: Umbraco.Sys.ServerVariables.defaultStarterKit
         }
 	};
 

src/Umbraco.Web.UI/Areas/UmbracoInstall/Views/Install/Index.cshtml

@@ -38,7 +38,6 @@
         Umbraco.Sys = {};
         Umbraco.Sys.ServerVariables = {
             "installApiBaseUrl": "@ViewBag.InstallApiBaseUrl",
-            "defaultStarterKit": "@ViewBag.DefaultPackageId",
             "umbracoBaseUrl": "@ViewBag.UmbracoBaseFolder"
         };
     </script>

src/Umbraco.Web/Install/Controllers/InstallApiController.cs

@@ -130,13 +130,9 @@ namespace Umbraco.Web.Install.Controllers
                 var step = InstallHelper.GetAllSteps().Single(x => x.Name == stepStatus.Name);
 
                 JToken instruction = null;
-                if (step.HasUIElement)
+                //If this step has any instructions then extract them
+                if (installModel.Instructions.Any(x => x.Key == step.Name))
                 {
-                    //Since this is a UI instruction, we will extract the model from it
-                    if (installModel.Instructions.Any(x => x.Key == step.Name) == false)
-                    {
-                        throw new HttpResponseException(Request.CreateValidationErrorResponse("No instruction defined for step: " + step.Name));
-                    }
                     instruction = installModel.Instructions[step.Name];
                 }
 

src/Umbraco.Web/Install/Controllers/InstallController.cs

@@ -54,13 +54,7 @@ namespace Umbraco.Web.Install.Controllers
                     case ValidateRequestAttempt.FailedNoContextId:
                         return Redirect(SystemDirectories.Umbraco + "/AuthorizeUpgrade?redir=" + Server.UrlEncode(Request.RawUrl));                        
                 }
-            }
-
-            //get a package GUID
-            var r = new org.umbraco.our.Repository();
-            var modules = r.Modules();
-            var defaultPackageId = modules.First().RepoGuid;
-            ViewBag.DefaultPackageId = defaultPackageId;
+            }            
 
             //gen the install base url
             ViewBag.InstallApiBaseUrl = Url.GetUmbracoApiService("GetSetup", "InstallApi", "install").TrimEnd("GetSetup");

src/Umbraco.Web/Install/InstallSteps/DatabaseConfigureStep.cs

@@ -27,6 +27,12 @@ namespace Umbraco.Web.Install.InstallSteps
 
         public override InstallSetupResult Execute(DatabaseModel database)
         {
+            //if the database model is null then we will apply the defaults
+            if (database == null)
+            {
+                database = new DatabaseModel();
+            }
+
             if (CheckConnection(database) == false)
             {
                 throw new InvalidOperationException("Could not connect to the database");

src/Umbraco.Web/Install/InstallSteps/StarterKitDownloadStep.cs

@@ -10,7 +10,7 @@ namespace Umbraco.Web.Install.InstallSteps
 {
     [InstallSetupStep(InstallationType.NewInstall,
         "StarterKitDownload", "starterKit", 30, "Downloading a starter website from our.umbraco.org, hold tight, this could take a little while")]
-    internal class StarterKitDownloadStep : InstallSetupStep<Guid>
+    internal class StarterKitDownloadStep : InstallSetupStep<Guid?>
     {
         private readonly ApplicationContext _applicationContext;
 
@@ -21,10 +21,19 @@ namespace Umbraco.Web.Install.InstallSteps
 
         private const string RepoGuid = "65194810-1f85-11dd-bd0b-0800200c9a66";
 
-        public override InstallSetupResult Execute(Guid starterKitId)
+        public override InstallSetupResult Execute(Guid? starterKitId)
         {
+            //if there is no value assigned then use the default starter kit
+            if (starterKitId.HasValue == false)
+            {
+                //get a default package GUID (currently the first one found)
+                var r = new org.umbraco.our.Repository();
+                var modules = r.Modules();
+                var defaultPackageId = modules.First().RepoGuid;
+                starterKitId = defaultPackageId;
+            }
 
-            var result = DownloadPackageFiles(starterKitId);
+            var result = DownloadPackageFiles(starterKitId.Value);
 
             return new InstallSetupResult(new Dictionary<string, object>
             {

src/Umbraco.Web/Install/Models/DatabaseModel.cs

@@ -5,6 +5,12 @@ namespace Umbraco.Web.Install.Models
     [DataContract(Name = "database", Namespace = "")]
     public class DatabaseModel
     {
+        public DatabaseModel()
+        {
+            //defaults
+            DatabaseType = DatabaseType.SqlCe;
+        }
+
         [DataMember(Name = "dbType")]
         public DatabaseType DatabaseType { get; set; }