diff --git a/admin/plugins_installed.php b/admin/plugins_installed.php
index 204c7c0dc..667541c76 100644
--- a/admin/plugins_installed.php
+++ b/admin/plugins_installed.php
@@ -44,36 +44,9 @@ $action_url = $base_url.'&plugin='.'%s'.'&pwg_token='.$pwg_token;
 
 $plugins = new plugins();
 
-//--------------------------------------------------perform requested actions
-if (isset($_GET['action']) and isset($_GET['plugin']))
+if (!is_webmaster())
 {
-  if (!is_webmaster())
-  {
-    $page['errors'][] = l10n('Webmaster status is required.');
-  }
-  else
-  {
-    check_pwg_token();
-
-    $page['errors'] = $plugins->perform_action($_GET['action'], $_GET['plugin']);
-
-    if (empty($page['errors']))
-    {
-      if ($_GET['action'] == 'activate' or $_GET['action'] == 'deactivate')
-      {
-        $template->delete_compiled_templates();
-        $persistent_cache->purge(true);
-      }
-
-      $redirect_url = $base_url;
-      if ('activate' == $_GET['action'])
-      {
-        $redirect_url.= '&show_inactive';
-      }
-
-      redirect($redirect_url);
-    }
-  }
+  $page['errors'][] = l10n('Webmaster status is required.');
 }
 
 //--------------------------------------------------------Incompatible Plugins
@@ -218,6 +191,7 @@ $template->assign(
     'base_url' => $base_url,
     'show_details' => $show_details,
     'max_inactive_before_hide' => isset($_GET['show_inactive']) ? 999 : 8,
+    'isWebmaster' => (is_webmaster()) ? 1 : 0,
     )
   );
 
diff --git a/admin/themes/default/js/plugins_installated.js b/admin/themes/default/js/plugins_installated.js
index 83e8b6efb..8db30c4a4 100644
--- a/admin/themes/default/js/plugins_installated.js
+++ b/admin/themes/default/js/plugins_installated.js
@@ -95,7 +95,7 @@ function activatePlugin(id) {
                 actualizeFilterBadges();
             }
         }, 
-        error: function () {
+        error: function (e) {
             console.log(e);
             console.log("It didn't work");
             $("#" + id + " .pluginNotif").stop(false, true);
@@ -136,7 +136,7 @@ function disactivatePlugin(id) {
                 actualizeFilterBadges(nb_plugin.all, nb_plugin.active, nb_plugin.inactive, nb_plugin.other)
             }
         }, 
-        error: function () {
+        error: function (e) {
             console.log(e);
             console.log("It didn't work");
             $("#" + id + " .pluginNotif").stop(false, true);
@@ -347,7 +347,10 @@ $(document).ready(function () {
     /**
      * Activate / Deactivate
      */
-    $(".switch").change(function () {
+    if (isWebmaster != 0) {
+      $(".switch").change(function () {
+      $(".pluginMiniBox").addClass("usable");
+
         if ($(this).find("#toggleSelectionMode").is(':checked')) {
             activatePlugin($(this).parent().parent().attr("id"));
             console.log("activatePlugin");
@@ -365,7 +368,20 @@ $(document).ready(function () {
         }
         
         actualizeFilter();
-    })
+      })
+    } else {
+      $(".pluginMiniBox").addClass("notUsable");
+      $(".plugin-active").find(".slider").addClass("desactivate_disabled");
+      $(".plugin-inactive").find(".slider").addClass("activate_disabled");
+      $(".switch input").on("click", function (event) {
+        $(this).addClass("disabled");
+        event.preventDefault();
+        event.stopPropagation();
+        setTimeout(function(){
+          $(".switch input").removeClass("disabled");
+        }, 400); //Same duration as the animation "desactivate_disabled" in css
+      })
+    }
 
     /**
      * Delete
diff --git a/admin/themes/default/template/plugins_installed.tpl b/admin/themes/default/template/plugins_installed.tpl
index a828e07ee..405264e72 100644
--- a/admin/themes/default/template/plugins_installed.tpl
+++ b/admin/themes/default/template/plugins_installed.tpl
@@ -33,6 +33,7 @@ const plugin_added_str = '{'Activated'|@translate}';
 const plugin_deactivated_str = '{'Deactivated'|@translate}';
 const plugin_restored_str = '{'Restored'|@translate}';
 const plugin_action_error = '{'an error happened'|@translate}';
+const isWebmaster = {$isWebmaster};
 {literal}
 var queuedManager = jQuery.manageAjax.create('queued', { 
   queue: true,  
diff --git a/admin/themes/default/theme.css b/admin/themes/default/theme.css
index 14ff0d3cc..6a48da1bf 100644
--- a/admin/themes/default/theme.css
+++ b/admin/themes/default/theme.css
@@ -3807,12 +3807,46 @@ input[type="text"].dError {border-color:#ff7070; background-color:#FFe5e5;}
   transition: .4s;
 }
 
-input:checked + .slider:before {
+.plugin-active input:checked + .slider:before {
   -webkit-transform: translateX(33px);
   -ms-transform: translateX(33px);
   transform: translateX(33px);
 }
 
+.notUsable input.disabled + .slider.activate_disabled:before {
+  animation: activate_disabled .4s linear;
+}
+
+@keyframes activate_disabled {
+  50% {
+    -webkit-transform: translateX(5px);
+    -ms-transform: translateX(5px);
+    transform: translateX(5px);
+  }
+  100% {
+    -webkit-transform: translateX(0px);
+    -ms-transform: translateX(0px);
+    transform: translateX(0);
+  }
+}
+
+.notUsable input:checked + .slider.desactivate_disabled:before {
+  animation: desactivate_disabled .4s linear;
+}
+
+@keyframes desactivate_disabled {
+  50% {
+    -webkit-transform: translateX(28px);
+    -ms-transform: translateX(28px);
+    transform: translateX(28px);
+  }
+  100% {
+    -webkit-transform: translateX(33px);
+    -ms-transform: translateX(33px);
+    transform: translateX(33px);
+  }
+}
+
 .slider.round {
   border-radius: 34px;
 }
diff --git a/include/ws_functions/pwg.extensions.php b/include/ws_functions/pwg.extensions.php
index dbc9ba2af..cb34295f7 100644
--- a/include/ws_functions/pwg.extensions.php
+++ b/include/ws_functions/pwg.extensions.php
@@ -59,6 +59,11 @@ function ws_plugins_performAction($params, $service)
     return new PwgError(403, 'Invalid security token');
   }
 
+  if (!is_webmaster())
+  {
+    return new PwgError(403, l10n('Webmaster status is required.'));
+  }
+
   define('IN_ADMIN', true);
   include_once(PHPWG_ROOT_PATH.'admin/include/plugins.class.php');