diff --git a/app/controllers/admin/module_store_controller.rb b/app/controllers/admin/module_store_controller.rb
index 7385bbd..fbf4ba3 100644
--- a/app/controllers/admin/module_store_controller.rb
+++ b/app/controllers/admin/module_store_controller.rb
@@ -1,9 +1,8 @@
 class Admin::ModuleStoreController < OrbitAdminController
   layout "structure"
-
+  include Admin::ModuleStoreHelper
   def index
     @extensions = []
-    @downloaded_extensions = []
     # if current_site.site_token?
     #   if current_site.store_confirmation
     #     @extensions = get_extensions
@@ -24,6 +23,11 @@ class Admin::ModuleStoreController < OrbitAdminController
   	@extension = get_extension(params[:id]) rescue nil
   end
 
+  def modules_to_update
+    @built_in_extensions = get_built_in_extensions
+    render :partial => "modules_to_update"
+  end
+
   def download
     #get extension related values
     extension = get_extension(params[:id]) rescue nil
@@ -95,11 +99,28 @@ class Admin::ModuleStoreController < OrbitAdminController
   end
 
   def restart
-  	Bundler.with_clean_env { `cd #{Rails.root} && bundle install` }
+  	Bundler.with_clean_env { `cd #{Rails.root} && BUNDLE_GEMFILE=built_in_extensions.rb bundle update && bundle` }
+    Bundler.with_clean_env { `cd #{Rails.root} && BUNDLE_GEMFILE=downloaded_extensions.rb bundle update && bundle` }
+    @built_in_extensions = get_built_in_extensions
+    render :partial => "modules_to_update"
   	%x(kill -s USR2 `cat tmp/pids/unicorn.pid`)
     sleep 5
   end
 
+  def update_module
+    key = params["key"]
+    type = params["type"]
+    if type == "built_in"
+      Bundler.with_clean_env { `cd #{Rails.root} && BUNDLE_GEMFILE=built_in_extensions.rb bundle update #{key}` }
+    elsif type == "downloaded"
+      Bundler.with_clean_env { `cd #{Rails.root} && BUNDLE_GEMFILE=downloaded_extensions.rb bundle update #{key}` }
+    end
+    @built_in_extensions = get_built_in_extensions
+    render :partial => "modules_to_update"
+    %x(kill -s USR2 `cat tmp/pids/unicorn.pid`)
+    sleep 5
+  end
+
   protected
 
   def get_extensions
@@ -133,21 +154,7 @@ class Admin::ModuleStoreController < OrbitAdminController
     store_session.get_extension(id)
   end
 
-  def get_downloaded_extension
-    downloaded_extensions = []
-    
-    extensions = File.new("#{Rails.root}/downloaded_extensions.rb", "r")
-    
-    while (extension = extensions.gets)
-      status = !extension.start_with?("# ")
-      extension = extension.split(',')
-
-      downloaded_extensions << {'name' => extension[0].split(/[\'\"]/)[1], 'repo' => extension[1].split(/[\'\"]/)[1], 'tag' => extension[2].split(/[\'\"]/)[1], 'status' => status}
-    end
-    extensions.close
-    downloaded_extensions.to_json
-  end
-
+  
   def toggle_item(module_key, active)
     if !module_key.nil?
 
diff --git a/app/helpers/admin/module_store_helper.rb b/app/helpers/admin/module_store_helper.rb
new file mode 100644
index 0000000..6f573da
--- /dev/null
+++ b/app/helpers/admin/module_store_helper.rb
@@ -0,0 +1,66 @@
+module Admin::ModuleStoreHelper
+
+	def get_built_in_extensions
+	    built_in_extensions = []
+	    extensions_to_update = get_extensions_to_update
+	    @extensions_to_update_count = extensions_to_update.count
+	    built_in_extensions = get_extension_from_file("built_in",extensions_to_update)
+	    built_in_extensions.concat(get_extension_from_file("downloaded",extensions_to_update))
+	    return built_in_extensions
+  	end
+
+  def get_extension_from_file(type,extensions_to_update)
+  	temp = []
+  	extensions = File.new("#{Rails.root}/#{type}_extensions.rb", "r")
+    while (extension = extensions.gets)
+      is_extension = extension.start_with?("gem")
+      extension = extension.split(',')
+      if is_extension
+        key = extension[0].split(/[\'\"]/)[1]
+        ma = ModuleApp.find_by_key(key) rescue nil
+        if !ma.nil?
+          update_available = extensions_to_update.include?(key) ? true : false
+          temp << {'key' => key, 'name' => ma.title, 'repo' => extension[1].split(/[\'\"]/)[1], 'tag' => (extension[2].split(/[\'\"]/)[1] rescue ""), "update_available" => update_available, "type" => type}
+        end
+      end
+    end
+    return temp
+  end
+
+  def get_extensions_to_update
+    if !File.exists?("#{Rails.root}/built_in_extensions.rb.lock") || !File.exists?("#{Rails.root}/downloaded_extensions.rb.lock")
+       update_extension_file("built_in")
+       update_extension_file("downloaded")
+       return []
+    else
+      update_extensions = get_update_info_for_extensions("built_in")
+      update_extensions.concat(get_update_info_for_extensions("downloaded"))
+      return update_extensions
+    end
+  end
+
+  def update_extension_file(type)
+  	Bundler.with_clean_env { `cd #{Rails.root} && BUNDLE_GEMFILE=#{type}_extensions.rb bundle update && bundle` }
+  end
+
+  def get_update_info_for_extensions(type)
+  	buffer = Bundler.with_clean_env { `cd #{Rails.root} && BUNDLE_GEMFILE=#{type}_extensions.rb bundle outdated` }
+    buffer = buffer.split("\n")
+    if buffer.last == "Bundle up to date!"
+        return []
+    elsif buffer.first.start_with?("The git source")
+    	update_extension_file(type)
+    	return []
+	else
+		output = []
+	    buffer.each do |b|
+	     if b.start_with?("  * ")
+	        temp = b.split(" ")
+	        output << temp[1] if !temp[1].nil?
+	     end
+	    end
+	    return output
+	end
+  end
+
+end
\ No newline at end of file
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index f05df9b..b1dd7f6 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -229,7 +229,11 @@ module ApplicationHelper
 			doc = Nokogiri::HTML(file, nil, "UTF-8")
 			file.close
 			controller = "#{params[:target_controller].capitalize}_controller".classify.constantize.new
-			data = controller.send("#{params[:target_action]}") rescue nil
+			begin 
+				data = controller.send("#{params[:target_action]}")# rescue nil
+			rescue Exception => e  
+			 write_debug_file(e,params[:target_controller],params[:target_action]) if Site::DEBUG
+			end 
 			if !data.nil?
 				wrap_elements = doc.css("*[data-list][data-level='0']")
 				htmls = parsing_repeats_again(wrap_elements,data,1)
@@ -261,7 +265,11 @@ module ApplicationHelper
 				doc = Nokogiri::HTML(file, nil, "UTF-8")
 				file.close
 				controller = "#{params[:target_controller].capitalize}_controller".classify.constantize.new
-				data = controller.send("#{params[:target_action]}") rescue nil
+				begin 
+					data = controller.send("#{params[:target_action]}")# rescue nil
+				rescue Exception => e  
+			 		write_debug_file(e,params[:target_controller],params[:target_action]) if Site::DEBUG
+				end 
 				if data.nil?
 					return "<div class='well'> No content to show. </div>".html_safe
 				end
@@ -500,4 +508,48 @@ module ApplicationHelper
 		target
   	end
 
+  	def write_debug_file(e,controller_name,action_name)
+   		url_dir_name = request.fullpath.split("?")[0]
+   		url_dir_name = URI.decode(url_dir_name)
+      	url_dir_name = (url_dir_name  == "/" ? "home" : url_dir_name.sub("/","").gsub("/","_").gsub("-","_").gsub(" ","_"))
+      	directory_name = "tmp/debug/#{url_dir_name}"
+      	FileUtils.mkdir_p(directory_name) unless File.exists?(directory_name)
+  		fn = "#{directory_name}/#{controller_name}_#{action_name}.html"
+  		error_trace_spans = ""
+  		e.backtrace.each do |bt|
+  			error_trace_spans = error_trace_spans + "<span>#{bt}</span><br />"
+  		end
+  		con = "#{controller_name.capitalize}_controller".classify.constantize
+  		File.open(fn, "w"){ |file| 
+  			file.puts "<html>
+  						<head>
+  						    <meta content='text/html; charset=UTF-8' http-equiv='Content-Type'>
+                			<meta charset=UTF-8'>
+  							<title>Debug result</title>
+  						</head>
+  						<body>
+  							<h3>Error Message</h3>
+  							<div class='error-message'>
+  								<h2><i>#{e.message}</i></h2>
+  							</div>
+  							<h3>Request Details</h3>
+  							<div class='request-details'>
+  								<span>Url : <b>#{URI.decode(request.url)}</b></span><br />
+  								<span>Controller : <b>#{con.to_s}</b> </span><br />
+  								<span>Action : <b>#{action_name.capitalize}</b> </span>
+  							</div>
+  							<h3>Error Trace</h3>
+  							<div class='error-trace'>
+  								#{error_trace_spans}
+  							</div>
+  							<h3>Params</h3>
+  							<div class='params'>
+  								#{OrbitHelper.params}
+  							</div>
+  						</body>
+  						</html>"
+
+  		}
+  	end
+
 end
diff --git a/app/helpers/pages_helper.rb b/app/helpers/pages_helper.rb
index 7403cda..0c561ae 100644
--- a/app/helpers/pages_helper.rb
+++ b/app/helpers/pages_helper.rb
@@ -71,7 +71,11 @@ module PagesHelper
     wrap_elements = doc.css("*[data-repeat]")
     controller = "#{controller_name.capitalize.pluralize}_controller".classify.constantize.new
     OrbitHelper.set_current_widget_module controller_name
-    data = controller.send("#{widget_method}") rescue nil
+    begin
+      data = controller.send("#{widget_method}") #rescue nil
+    rescue Exception => e
+      write_widget_debug_file(e,controller_name,widget_method,subpart_id)
+    end
     if !data.nil?
       wrap_elements = doc.css("*[data-list][data-level='0']")
       htmls = widget_parsing_repeats_again(wrap_elements,data,1)
@@ -91,5 +95,50 @@ module PagesHelper
     end
   end
 
+  def write_widget_debug_file(e,controller_name,action_name,sub_part)
+      url_dir_name = request.fullpath.split("?")[0]
+      url_dir_name = URI.decode(url_dir_name)
+      url_dir_name = (url_dir_name  == "/" ? "home" : url_dir_name.sub("/","").gsub("/","_").gsub("-","_").gsub(" ","_"))
+      directory_name = "tmp/debug/#{url_dir_name}"
+      FileUtils.mkdir_p(directory_name) unless File.exists?(directory_name)
+      fn = "#{directory_name}/#{controller_name}_#{action_name}_#{(sub_part if !sub_part.nil?)}.html"
+      error_trace_spans = ""
+      e.backtrace.each do |bt|
+        error_trace_spans = error_trace_spans + "<span>#{bt}</span><br />"
+      end
+      con = "#{controller_name.capitalize.pluralize}_controller".classify.constantize
+      File.open(fn, "w"){ |file| 
+        file.puts "<html>
+              <head>
+                <meta content='text/html; charset=UTF-8' http-equiv='Content-Type'>
+                <meta charset=UTF-8'>
+                <title>Debug result</title>
+              </head>
+              <body>
+                <h3>Error Message</h3>
+                <div class='error-message'>
+                  <h2><i>#{e.message}</i></h2>
+                </div>
+                <h3>Request Details</h3>
+                <div class='request-details'>
+                  <span>Url : <b>#{URI.decode(request.url)}</b></span><br />
+                  <span>Controller : <b>#{con.to_s}</b></span><br />
+                  <span>Action : <b>#{action_name.capitalize}</b></span><br />
+                  <span>SubPart Id : <b>#{sub_part}</b></span>
+                </div>
+                <h3>Error Trace</h3>
+                <div class='error-trace'>
+                  #{error_trace_spans}
+                </div>
+                <h3>Params</h3>
+                <div class='params'>
+                  #{OrbitHelper.params}
+                </div>
+              </body>
+              </html>"
+
+      }
+    end
+
 end
 
diff --git a/app/models/page.rb b/app/models/page.rb
index aeea7fe..0f3d801 100644
--- a/app/models/page.rb
+++ b/app/models/page.rb
@@ -32,8 +32,8 @@ class Page
 
 	before_create :assign_page_number
 	
-	after_save :clear_cache
-	after_destroy :clear_cache
+	# after_save :clear_cache
+	# after_destroy :clear_cache
 
 	def clear_cache
 		I18n.available_locales.each do |locale|
diff --git a/app/models/site.rb b/app/models/site.rb
index eda2909..ed4f3c7 100644
--- a/app/models/site.rb
+++ b/app/models/site.rb
@@ -3,6 +3,8 @@ class Site
   include Mongoid::Timestamps
   include Slug
 
+  DEBUG = false
+
   field :title, as: :slug_title, type: String, localize: true
   field :school, type: String
   field :department, type: String
diff --git a/app/models/sub_part.rb b/app/models/sub_part.rb
index c2dd336..ff9f9dd 100644
--- a/app/models/sub_part.rb
+++ b/app/models/sub_part.rb
@@ -17,8 +17,8 @@ class SubPart
   belongs_to :page_part
   belongs_to :mobile_page_part
 
-  	after_save :clear_cache
-  	after_destroy :clear_cache
+  	# after_save :clear_cache
+  	# after_destroy :clear_cache
 
   	def clear_cache
   		Rails.cache.delete_matched( /#{self.id.to_s}/ )
diff --git a/app/views/admin/module_store/_installed_module.html.erb b/app/views/admin/module_store/_installed_module.html.erb
new file mode 100644
index 0000000..504bc73
--- /dev/null
+++ b/app/views/admin/module_store/_installed_module.html.erb
@@ -0,0 +1,12 @@
+<tr>
+  <td class="detail-row">
+    <span class="mt_title"><%= installed_module["name"] %></span>
+  </td>
+  <td class="active">
+  <% if installed_module["update_available"] %>
+    <a href="" class="update_module btn btn-primary" data-module-key="<%= installed_module["key"] %>" data-module-type="<%= installed_module["type"] %>">Update</button>
+  <% else %>
+   Up to Date
+  <% end %>
+  </td> 
+</tr>
\ No newline at end of file
diff --git a/app/views/admin/module_store/_modules_to_update.html.erb b/app/views/admin/module_store/_modules_to_update.html.erb
new file mode 100644
index 0000000..ab3f372
--- /dev/null
+++ b/app/views/admin/module_store/_modules_to_update.html.erb
@@ -0,0 +1,47 @@
+<table class="table table-striped">
+  <thead>
+    <tr class="sort-header">
+      <th class="">Title</th>
+      <th class="">Update <%= (@extensions_to_update_count == 1 ? "(#{@extensions_to_update_count} update available)" : (@extensions_to_update_count > 1 ? "(#{@extensions_to_update_count} updates available)" : "")) %>
+    </tr>
+  </thead>
+  <tbody class="sort-holder" id="tbody_designs">
+    <%= render :partial => "installed_module", :collection => @built_in_extensions %>
+  </tbody>
+</table>
+
+<script type="text/javascript">
+   $("a.update_module").on("click",function(){
+    if(!$(this).hasClass("disabled")){
+      $(this).text("Updating").addClass("disabled");
+      var key = $(this).data("module-key"),
+          type = $(this).data("module-type")
+      $.ajax({
+        url : "/admin/module_store/update_module",
+        data : {"key" : key, "type" : type},
+        dataType : "json",
+        type : "post"
+      }).always(function(obj){
+        if(obj.status == 200){
+          update_module_table.html(obj.responseText);
+        }
+      })
+    }
+    return false;
+  })
+
+  $("a#update_all_modules").on("click",function(){
+    if(!$(this).hasClass("disabled")){
+      $(this).text("Updating").addClass("disabled");
+      $.ajax({
+        url : "/admin/module_store/restart",
+        type : "post"
+      }).always(function(obj){
+        if(obj.status == 200){
+          update_module_table.html(obj.responseText);
+        }
+      })
+    }
+    return false;
+  })
+</script>
\ No newline at end of file
diff --git a/app/views/admin/module_store/index.html.erb b/app/views/admin/module_store/index.html.erb
index a053f70..d0d8b6d 100644
--- a/app/views/admin/module_store/index.html.erb
+++ b/app/views/admin/module_store/index.html.erb
@@ -9,6 +9,15 @@
   <%= javascript_include_tag 'lib/footable-0.1' %>
   <%= javascript_include_tag 'lib/all-list' %>  
   <%= javascript_include_tag 'lib/retina' %>
+  <style type="text/css">
+    .loading-image-wrapper {
+      text-align: center;
+    }
+    .loading-image-wrapper > span {
+      display: block;
+      padding: 20px 0;
+    }
+  </style>
 </head>
 
 <%= flash[:notice] rescue nil%>
@@ -39,7 +48,7 @@
     <ul>
       <li class="active">
         <a href="#installed_modules" data-toggle="tab">
-          <i class="icons-download"></i><%= t(:installed_modules) %>
+          <i class="icon-cloud-download"></i> <%= t(:installed_modules) %>
         </a>
       </li>
       <li>
@@ -47,6 +56,11 @@
           <i class="icon-shopping-cart"></i><%= t(:module_store) %>
         </a>
       </li>
+       <li>
+        <a href="#update_module" data-toggle="tab">
+          <i class="icon-download-alt"></i> <%= t(:update_modules) %>
+        </a>
+      </li>
     </ul>
   </div>
   <div class="pannel-body tab-content">
@@ -57,6 +71,12 @@
     <div class="tab-pane fade" id="module_store">
       <%= render :partial => "admin/store/store", :locals => {:section => "apps"} %>
     </div>
+    <div class="tab-pane fade" id="update_module">
+      <div class="loading-image-wrapper">
+        <img src="/assets/preloader.gif" />
+        <span>Fetching module update info.</span>
+      </div>
+    </div>
   </div>
 </div>
 <div class="modal-backdrop"></div>
@@ -129,11 +149,6 @@
         $("#module_msg_title").html("<%= t(:change_applied) %>");
         $("#module_msg_content").html("<%= t("update_manager_.restart_server") %>");
 
-        $.get("<%= admin_module_store_restart_server_path%>",function(){
-          $("#alert_wrap").delay(2000).fadeOut(300,function(){
-            $(".modal-backdrop").fadeOut();
-          });
-        });
       });
     });
   }
@@ -153,14 +168,26 @@
 
         $("#module_msg_title").html("<%= t(:change_applied) %>");
         $("#module_msg_content").html("<%= t("update_manager_.restart_server") %>");
-
-        $.get("<%= admin_module_store_restart_server_path%>",function(){
-          $("#alert_wrap").delay(2000).fadeOut(300,function(){
-            $(".modal-backdrop").fadeOut();
-            location.reload();
-          });
-        });
       });
     });
   }
+
+  var update_module_table = $("#update_module");
+
+$('a[data-toggle="tab"]').on('shown', function (e) {
+  var el = $(e.target),
+      prev_el = $(e.relatedTarget);
+  if(el.attr("href") == "#update_module"){
+    $.ajax({
+      url : "/admin/module_store/modules_to_update",
+      type : "get",
+      dataType : "html"
+    }).done(function(data){
+      update_module_table.html(data);
+    })
+  }else if(prev_el.attr("href") == "#update_module"){
+    update_module_table.html('<div class="loading-image-wrapper"><img src="/assets/preloader.gif" /><span>Fetching module update info.</span></div>');
+  }
+})
+
 </script>
diff --git a/app/views/admin/sites/update_manager.erb b/app/views/admin/sites/update_manager.erb
index a486f6d..678c441 100644
--- a/app/views/admin/sites/update_manager.erb
+++ b/app/views/admin/sites/update_manager.erb
@@ -126,8 +126,6 @@
 				<div style="height: 55px;">
 				<% if @store_permissions["permission_granted"] %>
 					<button id="update_btn" class="btn btn-primary pull-right"  style="margin: 10px;"><i class="icon-inbox icon-white"></i> <%= t("update_manager_.system_update") %></button>
-
-					<button id="module_update_btn" class="btn btn-primary pull-right"  style="margin-right: 10px;"><i class="icon-inbox icon-white"></i> <%= t("update_manager_.module_update") %></button>
 				<% else %>
 					<a href="/<%= I18n.locale.to_s  %>/admin/designs" class="pull-right">Please register here.</a>
 				<% end %>
@@ -173,9 +171,6 @@
 				</div>
 				<div style="padding: 10px 0; height: 65px;">
 					<button id="chech_update_btn" class="btn btn-small btn-inverse pull-right"><i class="icon-refresh icon-white"></i> <%= t("update_manager_.check_update") %></button>
-					<% if @store_permissions["permission_granted"] %>
-						<button id="module_update_btn" class="btn btn-primary btn-small pull-right"  style="margin-right: 10px;"><i class="icon-inbox icon-white"></i> <%= t("update_manager_.module_update") %></button>
-					<% end %>
 				</div>
 			</div>
 		</div>
@@ -269,7 +264,7 @@
 		check_updates();
 		get_update_history();
 
-		$("#module_update_btn").click(check_module_updates);
+		// $("#module_update_btn").click(check_module_updates);
 
 		$("#chech_update_btn").click(check_updates);
 
diff --git a/config/routes.rb b/config/routes.rb
index 0a197dd..22ef598 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -236,10 +236,12 @@ Orbit::Application.routes.draw do
       get 'design_list' => 'designs#design_list'
       get 'module_store' => 'module_store#index'
       get 'module_store/show' => 'module_store#show'
+      post 'module_store/update_module' => 'module_store#update_module'
       get 'module_store/download' => 'module_store#download'
       get 'module_store/remove_module' => 'module_store#remove_module'
       get 'module_store/toggle_module' => 'module_store#toggle_module'
-      get 'module_store/restart_server' => 'module_store#restart_server'
+      post 'module_store/restart' => 'module_store#restart'
+      get 'module_store/modules_to_update' => 'module_store#modules_to_update'
 
       #store routes