diff --git a/cloud/__pycache__/views.cpython-38.pyc b/cloud/__pycache__/views.cpython-38.pyc
index 4388699..c87acb8 100644
Binary files a/cloud/__pycache__/views.cpython-38.pyc and b/cloud/__pycache__/views.cpython-38.pyc differ
diff --git a/cloud/templates/cloud/cloud_main.html b/cloud/templates/cloud/cloud_main.html
index 4118feb..3c45be5 100644
--- a/cloud/templates/cloud/cloud_main.html
+++ b/cloud/templates/cloud/cloud_main.html
@@ -62,19 +62,26 @@ a.disabled {
 	  </thead>
 	  <tbody>	 
       	{% for d in dirs %}  
-
+        
         {% setbool False %}
+
         {% for ag in d.visibleby.all %}
-          {% if user|has_group:ag.group.name %}   
-            {% setbool True %}                  
-            {% endif %}
+          {% if user|has_group:ag.group.name %} 
+            {% setbool True %}    
+          {% endif %}
         {% endfor %}
 
-        {% if d.visibleby.all|length == 0 %}
-          {% setbool True %}  
-        {% endif %}
+        {{d.name}}
+        {{d.visibleby.all|length}}
 
+        {% if d.visibleby.all|length == 0 %}
+          DARF
+          {% setbool True %}          
+        {% endif %}
+        
         {% getbool as groupchecker %}
+        {{groupchecker}}
+        
       	<tr id="dir_{{d.pk}}" class="droppable_tr">  	
           	<td id="dir_{{d.pk}}_icon"><i class="fas fa-folder" ></i>                
             </td>
diff --git a/digitaleagentur/__pycache__/settings.cpython-38.pyc b/digitaleagentur/__pycache__/settings.cpython-38.pyc
index b7643bc..d52e8ae 100644
Binary files a/digitaleagentur/__pycache__/settings.cpython-38.pyc and b/digitaleagentur/__pycache__/settings.cpython-38.pyc differ
diff --git a/digitaleagentur/settings.py b/digitaleagentur/settings.py
index 5e0558e..4f0e398 100644
--- a/digitaleagentur/settings.py
+++ b/digitaleagentur/settings.py
@@ -55,7 +55,8 @@ INSTALLED_APPS = [
     'django.contrib.messages',
     'django.contrib.staticfiles',
     'bootstrap_datepicker_plus',
-    'django_cleanup'
+    'django_cleanup',
+    'django_user_agents',
 ]
 
 MIDDLEWARE = [
@@ -66,6 +67,7 @@ MIDDLEWARE = [
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    'django_user_agents.middleware.UserAgentMiddleware',
 ]
 
 ROOT_URLCONF = 'digitaleagentur.urls'
diff --git a/standards/__pycache__/views.cpython-38.pyc b/standards/__pycache__/views.cpython-38.pyc
index 6f6b600..7f6d2b2 100644
Binary files a/standards/__pycache__/views.cpython-38.pyc and b/standards/__pycache__/views.cpython-38.pyc differ
diff --git a/standards/templates/standards/standards_add.html b/standards/templates/standards/standards_add.html
index 6685631..cd3d9b6 100644
--- a/standards/templates/standards/standards_add.html
+++ b/standards/templates/standards/standards_add.html
@@ -134,6 +134,27 @@
     </div>
   </div>
 </div>
+
+<!-- FILE FORBIDDEN DELETE FILE -->
+<div class="modal fade" id="forbiddenFileType" tabindex="-1" role="dialog" data-backdrop="static" aria-labelledby="groupDelFunction" aria-hidden="true">
+  <div class="modal-dialog " role="document">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h5 class="modal-title" id="exampleModalLongTitle">Datei nicht erlaubt</h5>
+        <button type="button" class="close" data-dismiss="modal" aria-label="Schließen">
+          <span aria-hidden="true">&times;</span>
+        </button>
+      </div>
+      <div class="modal-body">        
+        Diesen Dateitypen dürfen Sie nicht hochladen.
+      </div>
+      <div class="modal-footer">        
+        <button type="button" class="btn btn-success" data-dismiss="modal">Schließen</button>
+      </div>
+    </div>
+  </div>
+</div>
+
 <script type="text/javascript">
 //STANDARDS
 actualStandards = [];
diff --git a/standards/templates/standards/standards_management.html b/standards/templates/standards/standards_management.html
index 8c1d5a5..16fad92 100644
--- a/standards/templates/standards/standards_management.html
+++ b/standards/templates/standards/standards_management.html
@@ -65,17 +65,15 @@
                         {% if standard.visibleby.all|length == 0 %}
                           {% setbool True %}  
                         {% endif %}
-
                         {% getbool as groupchecker %}
-
-
+                        
                         {% getvar as varcounter %}                        
                         {% if standard.task == task and standard.area == area and varcounter < 3 %}                                                  
                         {% incvar %}
                           {% if groupchecker %}
-                          <p class="card-text"><a href="{% url 'standard-single' standard.pk %}">{{standard.name|truncatechars:40}}</a></p>
+                          <p class="card-text"><a href="{% url 'standard-single' standard.pk %}">{{standard.name|truncatechars:28}}</a></p>
                           {% else %}                          
-                          <p class="card-text text-secondary"><i class="fas fa-lock"></i>&nbsp;{{standard.name|truncatechars:40}}</p>
+                          <p class="card-text text-secondary"><i class="fas fa-lock"></i>&nbsp;{{standard.name|truncatechars:28}}</p>
                           {% endif %}                          
                         {% endif %}                      
                     {% endfor %}                    
diff --git a/standards/templates/standards/standards_update.html b/standards/templates/standards/standards_update.html
index 56fa28a..d59ecba 100644
--- a/standards/templates/standards/standards_update.html
+++ b/standards/templates/standards/standards_update.html
@@ -131,6 +131,27 @@
 	  	<a class="btn" href="{% url 'standards' %} ">Abbrechen</a>
   </form>
 </div>
+
+<!-- FILE FORBIDDEN DELETE FILE -->
+<div class="modal fade" id="forbiddenFileType" tabindex="-1" role="dialog" data-backdrop="static" aria-labelledby="groupDelFunction" aria-hidden="true">
+  <div class="modal-dialog " role="document">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h5 class="modal-title" id="exampleModalLongTitle">Datei nicht erlaubt</h5>
+        <button type="button" class="close" data-dismiss="modal" aria-label="Schließen">
+          <span aria-hidden="true">&times;</span>
+        </button>
+      </div>
+      <div class="modal-body">        
+        Diesen Dateitypen dürfen Sie nicht hochladen.
+      </div>
+      <div class="modal-footer">        
+        <button type="button" class="btn btn-success" data-dismiss="modal">Schließen</button>
+      </div>
+    </div>
+  </div>
+</div>
+
 <script type="text/javascript">
 //STANDARD
 function remStandard(sid, sname){
diff --git a/standards/templatetags/__pycache__/counter_tag.cpython-38.pyc b/standards/templatetags/__pycache__/counter_tag.cpython-38.pyc
index 46b88aa..77865d7 100644
Binary files a/standards/templatetags/__pycache__/counter_tag.cpython-38.pyc and b/standards/templatetags/__pycache__/counter_tag.cpython-38.pyc differ
diff --git a/standards/templatetags/counter_tag.py b/standards/templatetags/counter_tag.py
index 39a8403..4141acc 100644
--- a/standards/templatetags/counter_tag.py
+++ b/standards/templatetags/counter_tag.py
@@ -6,6 +6,8 @@ register = template.Library()
 
 b = 0
 
+groupbool = False
+
 @register.simple_tag
 def setvar(value):
 	global b
@@ -26,11 +28,10 @@ def incvar():
 				
 @register.filter(name='has_group')
 def has_group(user, group_name):
-    group = Group.objects.get(name=group_name)
-    return True if group in user.groups.all() else False
+	group = Group.objects.get(name=group_name)
+	return True if group in user.groups.all() else False
 
 
-groupbool = False
 @register.simple_tag
 def setbool(value):
 	global groupbool
@@ -39,7 +40,7 @@ def setbool(value):
 
 @register.simple_tag
 def getbool():	
-	global groupbool
+	global groupbool	
 	return groupbool
 
 
diff --git a/standards/views.py b/standards/views.py
index 62da6ff..6ca29a7 100644
--- a/standards/views.py
+++ b/standards/views.py
@@ -181,19 +181,22 @@ def StandardUpdate(request, id):
 
 	allfiles = DataFile.objects.filter(agency=request.user.profile.agency)
 
-	for file in allfiles:
+	for file in allfiles:		
 		user_can_view_file = False
 		parentdir = DataDir.objects.get(pk=file.parent.pk)
-		if(parentdir.is_root == False):
-			for p_group in parentdir.visibleby.all():
+
+		if(parentdir.is_root == False and len(parentdir.visibleby.all()) > 0):			
+			for p_group in parentdir.visibleby.all():				
 				if p_group.group in request.user.groups.all():
-					user_can_view_file = True
+					user_can_view_file = True						
 		else:
 			user_can_view_file = True
+
+
+
 		# Check if file is in standard
-		if file not in standard.addedfiles.all():
-			if user_can_view_file:
-				possibleFilesByVisible.append(file)
+		if file not in standard.addedfiles.all() and user_can_view_file:			
+			possibleFilesByVisible.append(file)
 
 	possiblestandards = Standards.objects.filter(agency=request.user.profile.agency, public=True)
 	possiblestandards_final = []
@@ -336,10 +339,6 @@ def updatesbyajax(request, pk):
 			# ADD
 			elif(request.GET["action"] == "s_addstandard"):
 				workingstandard.linked_standards.add(Standards.objects.get(pk=request.GET["standardid"]))
-
-
-
-
 		else:
 			success = False			
 
diff --git a/users/__pycache__/signals.cpython-38.pyc b/users/__pycache__/signals.cpython-38.pyc
index 31df121..a40ce73 100644
Binary files a/users/__pycache__/signals.cpython-38.pyc and b/users/__pycache__/signals.cpython-38.pyc differ
diff --git a/users/signals.py b/users/signals.py
index 1f448f4..db873e6 100644
--- a/users/signals.py
+++ b/users/signals.py
@@ -49,8 +49,9 @@ def adjust_group_notifications(instance, action, reverse, model, pk_set, using,
 	GLOBALSENDMAILS = True
 	# GROUPSETTINGS FOR SOME USER WAS CHANGED
 	if isinstance(instance, Group):
-		group_touched = AgencyGroup.objects.get(group=instance)		
-		user_touched = User.objects.get(pk=list(pk_set)[0])		
+		group_touched = AgencyGroup.objects.get(group=instance)	
+		userid = list(pk_set)[0]	
+		user_touched = User.objects.get(pk=userid)		
 		
 		# PUSH NOTIFICATION FOR GROUOPCHANGES
 		if(user_touched.profile.add_new_group_push):
@@ -95,6 +96,7 @@ def adjust_group_notifications(instance, action, reverse, model, pk_set, using,
 					    html_message=msg_html,
 					    fail_silently=False
 					)
+		
     
 # SIGNAL FOR NEWS
 @receiver(post_save, sender=News)
diff --git a/users/templates/users/base.html b/users/templates/users/base.html
index 01fda29..9c97a17 100644
--- a/users/templates/users/base.html
+++ b/users/templates/users/base.html
@@ -26,9 +26,16 @@
   <link href='https://fonts.googleapis.com/css?family=Roboto&display=swap' rel='stylesheet' type='text/css'>
 
   <!-- include summernote css/js -->
-  <link href="https://cdn.jsdelivr.net/npm/summernote@0.8.15/dist/summernote.min.css" rel="stylesheet">
+  <!--<link href="https://cdn.jsdelivr.net/npm/summernote@0.8.15/dist/summernote.min.css" rel="stylesheet">
+  <script src="https://cdn.jsdelivr.net/npm/summernote@0.8.15/dist/summernote.min.js"></script>-->
+
+  {% if request.user_agent.browser.family == "IE" %}
+  <link href="https://cdn.jsdelivr.net/npm/summernote@0.8.12/dist/summernote.min.css" rel="stylesheet">
+  <script src="https://cdn.jsdelivr.net/npm/summernote@0.8.12/dist/summernote.min.js"></script>
+    {% else %}
+    <link href="https://cdn.jsdelivr.net/npm/summernote@0.8.15/dist/summernote.min.css" rel="stylesheet">
   <script src="https://cdn.jsdelivr.net/npm/summernote@0.8.15/dist/summernote.min.js"></script>
-  
+  {% endif %}
   
   <!-- CROPPER -->
   <link href="{% static 'users/css/cropper.min.css' %}" rel="stylesheet">