diff --git a/system/Controllers/SetupController.php b/system/Controllers/SetupController.php
index e86ed78..bb764b3 100644
--- a/system/Controllers/SetupController.php
+++ b/system/Controllers/SetupController.php
@@ -32,8 +32,9 @@ class SetupController extends Controller
 
 
 		# check php-version
-		if (version_compare(phpversion(), '7.0.0', '<')) {
-				$systemcheck['error'][] = 'The PHP-version of your server is ' . phpversion() . ' and Typemill needs at least 7.0.0';
+		if (version_compare(phpversion(), '7.0.0', '<')) 
+		{
+			$systemcheck['error'][] = 'The PHP-version of your server is ' . phpversion() . ' and Typemill needs at least 7.0.0';
 		}
 
 		/* check if mod rewrite is enabled, does not work with PHP-fpm or NGINX
@@ -44,18 +45,19 @@ class SetupController extends Controller
 		}
 		*/
 
-		# check if GD  extension is enabled
-		if(!extension_loaded('gd')){
-			$systemcheck['error'][] = 'The php-extension GD for image manipulation is not enabled.';
-		}
+		# check if extensions are loaded
+		if(!extension_loaded('gd')){ $systemcheck['error'][] = 'The php-extension GD for image manipulation is not enabled.'; }
+		if(!extension_loaded('mbstring')){ $systemcheck['error'][] = 'The php-extension mbstring is not enabled.'; }
+		if(!extension_loaded('fileinfo')){ $systemcheck['error'][] = 'The php-extension fileinfo is not enabled.'; }
+		if(!extension_loaded('session')){ $systemcheck['error'][] = 'The php-extension session is not enabled.'; }
+		if(!extension_loaded('iconv')){ $systemcheck['error'][] = 'The php-extension iconv is not enabled.'; }
 
 		$setuperrors = empty($systemcheck) ? false : 'Some system requirements for Typemill are missing.';
 		$systemcheck = empty($systemcheck) ? false : $systemcheck;
 
-    return $this->render($response, 'auth/setup.twig', array( 'messages' => $setuperrors, 'systemcheck' => $systemcheck ));
+	    return $this->render($response, 'auth/setup.twig', array( 'messages' => $setuperrors, 'systemcheck' => $systemcheck ));
 	}
 
-
 	public function create($request, $response, $args)
 	{
 		if($request->isPost())
diff --git a/system/Settings.php b/system/Settings.php
index 1be4f15..95ead28 100644
--- a/system/Settings.php
+++ b/system/Settings.php
@@ -78,7 +78,7 @@ class Settings
 			'contentFolder'							=> 'content',
 			'cache'									=> true,
 			'cachePath'								=> $rootPath . 'cache',
-			'version'								=> '1.3.7',
+			'version'								=> '1.3.7.1',
 			'setup'									=> true,
 			'welcome'								=> true,
 			'images'								=> ['live' => ['width' => 820], 'thumbs' => ['width' => 250, 'height' => 150]],
@@ -95,7 +95,7 @@ class Settings
 	}
 
 
-  	public function whichLanguage()
+  	public static function whichLanguage()
   	{
     	# Check which languages are available
     	$langs = [];
diff --git a/system/Translations.php b/system/Translations.php
index 9e7f8fd..7d010be 100644
--- a/system/Translations.php
+++ b/system/Translations.php
@@ -84,4 +84,4 @@ class Translations
     return $labels;
   }
 
-}
+}
\ No newline at end of file
diff --git a/system/author/js/vue-blox.js b/system/author/js/vue-blox.js
index 81119fa..0ccc52d 100644
--- a/system/author/js/vue-blox.js
+++ b/system/author/js/vue-blox.js
@@ -780,7 +780,7 @@ const noticeComponent = Vue.component('notice-component', {
 			'</div>',
 	data: function(){
 		return {
-			prefix: '! ',
+			prefix: '!',
 			notice: '',
 			noteclass: 'note1'
 		}
@@ -807,12 +807,12 @@ const noticeComponent = Vue.component('notice-component', {
 		noticedown: function()
 		{
 			this.prefix = this.getNoticePrefix(this.compmarkdown);
-			this.prefix += "! ";
-			if(this.prefix.length > 4)
+			this.prefix = this.prefix + '!';
+			if(this.prefix.length > 3)
 			{
-				this.prefix = "! ";
+				this.prefix = '!';
 			}
-			this.noteclass = 'note' + (this.prefix.length-1);
+			this.noteclass = 'note' + (this.prefix.length);
 			this.updatemarkdown(this.notice);
 		},
 		getNoticePrefix: function(str)
@@ -822,7 +822,7 @@ const noticeComponent = Vue.component('notice-component', {
 				if(str[i] != '!'){ return prefix }
 				prefix += '!';
 			}
-		  	return prefix+' ';
+		  	return prefix;
 		},
 		updatemarkdown: function(value)
 		{
@@ -830,7 +830,7 @@ const noticeComponent = Vue.component('notice-component', {
 
 			var lines = value.match(/^.*([\n\r]|$)/gm);
 
-			var notice = this.prefix + lines.join(this.prefix);
+			var notice = this.prefix + ' ' + lines.join(this.prefix+' ');
 
 			this.$emit('updatedMarkdown', notice);
 		},
diff --git a/system/system.php b/system/system.php
index 5e87a21..ed5b424 100644
--- a/system/system.php
+++ b/system/system.php
@@ -109,7 +109,6 @@ $dispatcher->dispatch('onPluginsLoaded', new OnPluginsLoaded($pluginNames));
 # dispatch settings event and get all setting-updates from plugins
 $dispatcher->dispatch('onSettingsLoaded', new OnSettingsLoaded($settings))->getData();
 
-
 /******************************
 * ADD DISPATCHER TO CONTAINER *
 ******************************/