diff --git a/.vs/CoExp_Web/v16/.suo b/.vs/CoExp_Web/v16/.suo
index cfe0613..36a1fa7 100644
Binary files a/.vs/CoExp_Web/v16/.suo and b/.vs/CoExp_Web/v16/.suo differ
diff --git a/Program.cs b/Program.cs
index d192fb3..0eddf48 100644
--- a/Program.cs
+++ b/Program.cs
@@ -16,7 +16,7 @@ public static void Main(string[] args)
         {
             CreateWebHostBuilder(args)
                 //Change here the environment. Possible values: "Production", "Development", "Private", "Docker"
-                .UseEnvironment("Development")
+                .UseEnvironment("Production")
                 .Build()
                 .Run();
         }
diff --git a/Views/Run/Catalogue.cshtml b/Views/Run/Catalogue.cshtml
index 0aa9c26..273d55e 100644
--- a/Views/Run/Catalogue.cshtml
+++ b/Views/Run/Catalogue.cshtml
@@ -200,7 +200,13 @@
                   ]
               });
               intro.onbeforechange(function (targetElement) {
-              
+
+                  if (targetElement.id == "step1") {
+                      $('#category_dropdown').val('10UKBEC').change();
+                      $('#category_dropdown')
+                          .prop("disabled", false)
+                          .selectpicker('refresh');
+                  }
                   if (targetElement.id == "step2" && $("#category_dropdown").val() == "10UKBEC") {
                       $('#network_dropdown').val('SNIG').change();
                       $('#network_dropdown')
@@ -216,6 +222,10 @@
 
               var doneTourCatalogue = sessionStorage.getItem('EventTourCatalogue') === 'Completed';
               if (doneTourCatalogue) {
+                  $('#category_dropdown').val('10UKBEC').change();
+                  $('#category_dropdown')
+                      .prop("disabled", false)
+                      .selectpicker('refresh');
                   return;
               }
               else {
diff --git a/Views/Run/Help_Plot.cshtml b/Views/Run/Help_Plot.cshtml
index 9eed939..09a468f 100644
--- a/Views/Run/Help_Plot.cshtml
+++ b/Views/Run/Help_Plot.cshtml
@@ -33,7 +33,7 @@
                 <img src="~/images/help/plot.PNG"
                      alt="Available categories" title="Fig1: Available categories." />
             </div><br /><br />
-            <p><span class="glyphicon glyphicon-chevron-right"></span><b>Previous tutorial: </b><a asp-area="" asp-controller="Run" asp-action="Help_Annotation">Gene Set Annotation</a></p><br />
+            <p><span class="glyphicon glyphicon-chevron-left"></span><b>Previous tutorial: </b><a asp-area="" asp-controller="Run" asp-action="Help_Annotation">Gene Set Annotation</a></p><br />
         </div>
     </div>
 </div>
diff --git a/Views/Run/Plot.cshtml b/Views/Run/Plot.cshtml
index c55f50d..2b76518 100644
--- a/Views/Run/Plot.cshtml
+++ b/Views/Run/Plot.cshtml
@@ -164,7 +164,12 @@
                 ]
             });
             intro.onbeforechange(function (targetElement) {
-
+                if (targetElement.id == "step1") {
+                    $('#category_dropdown').val('10UKBEC').change();
+                    $('#category_dropdown')
+                        .prop("disabled", false)
+                        .selectpicker('refresh');
+                }
                 if (targetElement.id == "step2" && $("#category_dropdown").val() == "10UKBEC") {
                     $('#network_dropdown').val('SNIG').change();
                     $('#network_dropdown')
@@ -194,6 +199,10 @@
             });
             var doneTourPlot = sessionStorage.getItem('EventTourPlot') === 'Completed';
             if (doneTourPlot) {
+                $('#category_dropdown').val('10UKBEC').change();
+                $('#category_dropdown')
+                    .prop("disabled", false)
+                    .selectpicker('refresh');
                 return;
             }
             else {
diff --git a/obj/Debug/netcoreapp2.1/CoExp_Web.Views.dll b/obj/Debug/netcoreapp2.1/CoExp_Web.Views.dll
index 851c4f0..9630e69 100644
Binary files a/obj/Debug/netcoreapp2.1/CoExp_Web.Views.dll and b/obj/Debug/netcoreapp2.1/CoExp_Web.Views.dll differ
diff --git a/obj/Debug/netcoreapp2.1/CoExp_Web.csprojAssemblyReference.cache b/obj/Debug/netcoreapp2.1/CoExp_Web.csprojAssemblyReference.cache
index 55a2a2c..2fe36e3 100644
Binary files a/obj/Debug/netcoreapp2.1/CoExp_Web.csprojAssemblyReference.cache and b/obj/Debug/netcoreapp2.1/CoExp_Web.csprojAssemblyReference.cache differ
diff --git a/obj/Debug/netcoreapp2.1/CoExp_Web.dll b/obj/Debug/netcoreapp2.1/CoExp_Web.dll
index ffbb920..14bde9a 100644
Binary files a/obj/Debug/netcoreapp2.1/CoExp_Web.dll and b/obj/Debug/netcoreapp2.1/CoExp_Web.dll differ
diff --git a/obj/Debug/netcoreapp2.1/CoExp_Web.pdb b/obj/Debug/netcoreapp2.1/CoExp_Web.pdb
index 031165d..b8fdbb9 100644
Binary files a/obj/Debug/netcoreapp2.1/CoExp_Web.pdb and b/obj/Debug/netcoreapp2.1/CoExp_Web.pdb differ
diff --git a/wwwroot/js/api.js b/wwwroot/js/api.js
index 58f63d3..99e3c69 100644
--- a/wwwroot/js/api.js
+++ b/wwwroot/js/api.js
@@ -336,8 +336,9 @@ API.prototype.getNetworkCategories = function (category) {
                         $('#category_dropdown')
                             .append(option);
                     }
-                    $('#category_dropdown').val('10UKBEC').change();
                     $('#category_dropdown')
+                        .val('10UKBEC')
+                        .change()
                         .selectpicker('refresh')
                     startIntro()
                 }