diff --git a/app/views/exercises/_editor_file_tree.html.slim b/app/views/exercises/_editor_file_tree.html.slim
index 5db8ee6e..066bdc5f 100644
--- a/app/views/exercises/_editor_file_tree.html.slim
+++ b/app/views/exercises/_editor_file_tree.html.slim
@@ -6,10 +6,10 @@ div id='sidebar-collapsed' class=(@exercise.hide_file_tree ? '' : 'd-none')
 
   - unless @embed_options[:disable_download]
     = render('editor_button', classes: 'btn-block btn-primary btn enforce-top-margin', data: {:'data-toggle' => 'tooltip', :'data-placement' => 'right'}, icon: 'fa fa-download', id: 'download-collapsed', label:'', title: t('exercises.editor.download'))
-  = render('editor_button', classes: 'btn-block btn-primary btn enforce-top-margin', data: {:'data-message-confirm' => t('exercises.editor.confirm_start_over'), :'data-url' => reload_exercise_path(@exercise), :'data-toggle' => 'tooltip', :'data-placement' => 'right'}, icon: 'fa fa-history', id: 'start-over-collapsed', label:'', title: t('exercises.editor.start_over'))
+  = render('editor_button', classes: 'btn-block btn-warning btn enforce-top-margin', data: {:'data-message-confirm' => t('exercises.editor.confirm_start_over_active_file'), :'data-url' => reload_exercise_path(@exercise), :'data-toggle' => 'tooltip', :'data-placement' => 'right'}, icon: 'fa fa-history', id: 'start-over-active-file-collapsed', label: '', title: t('exercises.editor.start_over_active_file'))
   //- if !@course_token.blank?
     = render('editor_button', classes: 'btn-block btn-primary btn enforce-top-margin', data: {:'data-toggle' => 'tooltip', :'data-placement' => 'right'}, icon: 'fa fa-search', id: 'sidebar-search-collapsed', label: '', title: t('search.search_in_forum'))
-  = render('editor_button', classes: 'btn-block btn-primary btn enforce-top-margin', data: {:'data-message-confirm' => t('exercises.editor.confirm_start_over_active_file'), :'data-url' => reload_exercise_path(@exercise), :'data-toggle' => 'tooltip', :'data-placement' => 'right'}, icon: 'fa fa-file-excel', id: 'start-over-active-file-collapsed', label: '', title: t('exercises.editor.start_over_active_file'))
+  = render('editor_button', classes: 'btn-block btn-danger btn enforce-top-margin', data: {:'data-message-confirm' => t('exercises.editor.confirm_start_over'), :'data-url' => reload_exercise_path(@exercise), :'data-toggle' => 'tooltip', :'data-placement' => 'right'}, icon: 'fa fa-history', id: 'start-over-collapsed', label:'', title: t('exercises.editor.start_over'))
 
 div id='sidebar-uncollapsed' class=(@exercise.hide_file_tree ? 'd-none' : '')
   = render('editor_button', classes: 'btn-block btn-primary btn', icon: 'fa fa-minus-square', id: 'sidebar-collapse', label: t('exercises.editor.collapse_action_sidebar'))
@@ -27,8 +27,8 @@ div id='sidebar-uncollapsed' class=(@exercise.hide_file_tree ? 'd-none' : '')
 
   - unless @embed_options[:disable_download]
     = render('editor_button', classes: 'btn-block btn-primary btn enforce-top-margin', icon: 'fa fa-download', id: 'download', label: t('exercises.editor.download'))
-  = render('editor_button', classes: 'btn-block btn-primary btn', data: {:'data-message-confirm' => t('exercises.editor.confirm_start_over'), :'data-url' => reload_exercise_path(@exercise)}, icon: 'fa fa-history', id: 'start-over', label: t('exercises.editor.start_over'))
-  = render('editor_button', classes: 'btn-block btn-primary btn', data: {:'data-message-confirm' => t('exercises.editor.confirm_start_over_active_file'), :'data-url' => reload_exercise_path(@exercise)}, icon: 'fa fa-file-excel', id: 'start-over-active-file', label: t('exercises.editor.start_over_active_file'))
+  = render('editor_button', classes: 'btn-block btn-warning btn', data: {:'data-message-confirm' => t('exercises.editor.confirm_start_over_active_file'), :'data-url' => reload_exercise_path(@exercise)}, icon: 'fa fa-history', id: 'start-over-active-file', label: t('exercises.editor.start_over_active_file'))
+  = render('editor_button', classes: 'btn-block btn-danger btn', data: {:'data-message-confirm' => t('exercises.editor.confirm_start_over'), :'data-url' => reload_exercise_path(@exercise)}, icon: 'fa fa-history', id: 'start-over', label: t('exercises.editor.start_over'))
 
   //- if !@course_token.blank?
       .input-group.enforce-top-margin
diff --git a/config/locales/de.yml b/config/locales/de.yml
index 70443c83..0d8cceaf 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -301,7 +301,7 @@ de:
       save: Speichern
       score: Bewerten
       send: Senden
-      start_over: Von vorne anfangen
+      start_over: Alle Dateien zurücksetzen
       start_over_active_file: Diese Datei zurücksetzen
       stop: Stoppen
       submit: Code zur Bewertung abgeben
@@ -363,6 +363,7 @@ de:
       results: Ergebnisse
       start: Mit dem Programmieren beginnen
       test_count: '<span class="number">%{count}</span> Test-Dateien wurden ausgeführt.'
+      unpublished: Die gewählte Aufgabe wurde deaktiviert und kann daher derzeit nicht bearbeitet werden.
       workspace: Arbeitsbereich
       comment:
         a_comment: Kommentar
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 95c38587..abcde81f 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -301,7 +301,7 @@ en:
       save: Save
       score: Score
       send: Send
-      start_over: Start over
+      start_over: Reset all files
       start_over_active_file: Reset this file
       stop: Stop
       submit: Submit Code For Assessment
@@ -363,6 +363,7 @@ en:
       results: Results
       start: Start Coding
       test_count: '<span class="number">%{count}</span> test files have been executed.'
+      unpublished: The selected exercises has been deactivated. Hence, you cannot implement this exercise at the moment.
       workspace: Workspace
       comment:
         a_comment: comment