diff --git a/resources/rssguard.qrc b/resources/rssguard.qrc
index 21924a220..62c82dc5d 100644
--- a/resources/rssguard.qrc
+++ b/resources/rssguard.qrc
@@ -14,6 +14,7 @@
     <file>scripts/gemini/style.css</file>
     
     <file>sounds/boing.wav</file>
+    <file>sounds/error.wav</file>
     <file>sounds/rooster.wav</file>
     <file>sounds/sheep.wav</file>
     <file>sounds/doorbell.wav</file>
diff --git a/resources/sounds/error.wav b/resources/sounds/error.wav
new file mode 100644
index 000000000..88c26da4f
Binary files /dev/null and b/resources/sounds/error.wav differ
diff --git a/resources/text/licenses.json b/resources/text/licenses.json
index 9bffad9ca..796ab4c3c 100644
--- a/resources/text/licenses.json
+++ b/resources/text/licenses.json
@@ -23,5 +23,10 @@
     "title": "GNU GPL v3.0 + Qt Company GPL Exception 1.0",
     "file": "COPYING_QT",
     "components": "Qt"
+  },
+  {
+    "title": "Attribution 3.0",
+    "text": "Error Bleep 4 by original_sound -- https://freesound.org/s/372197/ -- License: Attribution 3.0",
+    "components": "Error Bleep 4"
   }
 ]
\ No newline at end of file
diff --git a/src/librssguard/core/feeddownloader.cpp b/src/librssguard/core/feeddownloader.cpp
index b722a8301..96b604b3b 100644
--- a/src/librssguard/core/feeddownloader.cpp
+++ b/src/librssguard/core/feeddownloader.cpp
@@ -447,6 +447,7 @@ void FeedDownloader::updateOneFeed(ServiceRoot* acc,
     qCriticalNN << LOGSEC_NETWORK << "Error when fetching feed:" << QUOTE_W_SPACE(feed_ex.feedStatus())
                 << "message:" << QUOTE_W_SPACE_DOT(feed_ex.message());
 
+    m_results.appendErroredFeed(feed, feed_ex.message());
     feed->setStatus(feed_ex.feedStatus(), feed_ex.message());
 
     if (feed_ex.feedStatus() == Feed::Status::NetworkError && !feed_ex.data().isNull()) {
@@ -468,6 +469,7 @@ void FeedDownloader::updateOneFeed(ServiceRoot* acc,
     qCriticalNN << LOGSEC_NETWORK << "Unknown error when fetching feed:"
                 << "message:" << QUOTE_W_SPACE_DOT(app_ex.message());
 
+    m_results.appendErroredFeed(feed, app_ex.message());
     feed->setStatus(Feed::Status::OtherError, app_ex.message());
   }
 
@@ -484,6 +486,13 @@ void FeedDownloader::finalizeUpdate() {
 
   m_feeds.clear();
 
+  if (!m_results.erroredFeeds().isEmpty()) {
+    qApp->showGuiMessage(Notification::Event::ArticlesFetchingError,
+                         {QObject::tr("Some feed have error"),
+                          QObject::tr("Some feeds threw an error when fetching articles."),
+                          QSystemTrayIcon::MessageIcon::Critical});
+  }
+
   // Update of feeds has finished.
   // NOTE: This means that now "update lock" can be unlocked
   // and feeds can be added/edited/deleted and application
@@ -632,8 +641,17 @@ void FeedDownloadResults::appendUpdatedFeed(Feed* feed, const QList<Message>& up
   }
 }
 
+void FeedDownloadResults::appendErroredFeed(Feed* feed, const QString& error) {
+  m_erroredFeeds.insert(feed, error);
+}
+
 void FeedDownloadResults::clear() {
   m_updatedFeeds.clear();
+  m_erroredFeeds.clear();
+}
+
+QHash<Feed*, QString> FeedDownloadResults::erroredFeeds() const {
+  return m_erroredFeeds;
 }
 
 QHash<Feed*, QList<Message>> FeedDownloadResults::updatedFeeds() const {
diff --git a/src/librssguard/core/feeddownloader.h b/src/librssguard/core/feeddownloader.h
index eafad1acc..c7bf71df6 100644
--- a/src/librssguard/core/feeddownloader.h
+++ b/src/librssguard/core/feeddownloader.h
@@ -18,14 +18,18 @@ class MessageFilter;
 // Represents results of batch feed updates.
 class FeedDownloadResults {
   public:
+    QHash<Feed*, QString> erroredFeeds() const;
     QHash<Feed*, QList<Message>> updatedFeeds() const;
     QString overview(int how_many_feeds) const;
+
     void appendUpdatedFeed(Feed* feed, const QList<Message>& updated_unread_msgs);
+    void appendErroredFeed(Feed* feed, const QString& error);
     void clear();
 
   private:
     // QString represents title if the feed, int represents count of newly downloaded messages.
     QHash<Feed*, QList<Message>> m_updatedFeeds;
+    QHash<Feed*, QString> m_erroredFeeds;
 };
 
 struct FeedUpdateRequest {
diff --git a/src/librssguard/gui/dialogs/formabout.cpp b/src/librssguard/gui/dialogs/formabout.cpp
index 69303422d..687bae3cd 100644
--- a/src/librssguard/gui/dialogs/formabout.cpp
+++ b/src/librssguard/gui/dialogs/formabout.cpp
@@ -107,10 +107,15 @@ void FormAbout::loadLicenseAndInformation() {
   QJsonDocument licenses_index = QJsonDocument::fromJson(IOFactory::readFile(APP_INFO_PATH + QSL("/licenses.json")));
 
   for (const QJsonValue& license : licenses_index.array()) {
-    const QJsonObject license_obj = license.toObject();
-    const QString license_text =
-      QString::fromUtf8(IOFactory::readFile(APP_INFO_PATH + QSL("/") + license_obj[QSL("file")].toString()));
-    const QString license_title =
+    QJsonObject license_obj = license.toObject();
+    QString license_text = license_obj.value(QSL("text")).toString();
+
+    if (license_text.isEmpty()) {
+      license_text =
+        QString::fromUtf8(IOFactory::readFile(APP_INFO_PATH + QSL("/") + license_obj[QSL("file")].toString()));
+    }
+
+    QString license_title =
       license_obj[QSL("title")].toString() + QSL(": ") + license_obj[QSL("components")].toString();
 
     m_ui.m_cbLicenses->addItem(license_title, license_text);
diff --git a/src/librssguard/gui/dialogs/formabout.ui b/src/librssguard/gui/dialogs/formabout.ui
index 2eb084433..b7a025524 100644
--- a/src/librssguard/gui/dialogs/formabout.ui
+++ b/src/librssguard/gui/dialogs/formabout.ui
@@ -43,13 +43,13 @@
         <string/>
        </property>
        <property name="textFormat">
-        <enum>Qt::RichText</enum>
+        <enum>Qt::TextFormat::RichText</enum>
        </property>
        <property name="scaledContents">
         <bool>true</bool>
        </property>
        <property name="alignment">
-        <set>Qt::AlignCenter</set>
+        <set>Qt::AlignmentFlag::AlignCenter</set>
        </property>
       </widget>
      </item>
@@ -68,16 +68,16 @@
         <string/>
        </property>
        <property name="textFormat">
-        <enum>Qt::RichText</enum>
+        <enum>Qt::TextFormat::RichText</enum>
        </property>
        <property name="alignment">
-        <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
+        <set>Qt::AlignmentFlag::AlignLeading|Qt::AlignmentFlag::AlignLeft|Qt::AlignmentFlag::AlignVCenter</set>
        </property>
        <property name="margin">
         <number>5</number>
        </property>
        <property name="textInteractionFlags">
-        <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
+        <set>Qt::TextInteractionFlag::LinksAccessibleByMouse|Qt::TextInteractionFlag::TextSelectableByKeyboard|Qt::TextInteractionFlag::TextSelectableByMouse</set>
        </property>
       </widget>
      </item>
@@ -105,7 +105,7 @@
       <locale language="English" country="UnitedStates"/>
      </property>
      <property name="currentIndex">
-      <number>0</number>
+      <number>1</number>
      </property>
      <widget class="QWidget" name="m_tabInfo">
       <attribute name="title">
@@ -118,7 +118,7 @@
           <font/>
          </property>
          <property name="contextMenuPolicy">
-          <enum>Qt::DefaultContextMenu</enum>
+          <enum>Qt::ContextMenuPolicy::DefaultContextMenu</enum>
          </property>
          <property name="styleSheet">
           <string notr="true"/>
@@ -143,7 +143,7 @@ li.checked::marker { content: &quot;\2612&quot;; }
           <bool>false</bool>
          </property>
          <property name="textInteractionFlags">
-          <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByMouse</set>
+          <set>Qt::TextInteractionFlag::LinksAccessibleByMouse|Qt::TextInteractionFlag::TextSelectableByMouse</set>
          </property>
          <property name="searchPaths">
           <stringlist/>
@@ -164,7 +164,11 @@ li.checked::marker { content: &quot;\2612&quot;; }
         <widget class="QComboBox" name="m_cbLicenses"/>
        </item>
        <item>
-        <widget class="QPlainTextEdit" name="m_tbLicenses"/>
+        <widget class="QPlainTextEdit" name="m_tbLicenses">
+         <property name="readOnly">
+          <bool>true</bool>
+         </property>
+        </widget>
        </item>
        <item>
         <widget class="QLabel" name="m_lblLicenses">
@@ -202,7 +206,7 @@ li.checked::marker { content: &quot;\2612&quot;; }
           <bool>false</bool>
          </property>
          <property name="textInteractionFlags">
-          <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByMouse</set>
+          <set>Qt::TextInteractionFlag::LinksAccessibleByMouse|Qt::TextInteractionFlag::TextSelectableByMouse</set>
          </property>
          <property name="openExternalLinks">
           <bool>true</bool>
@@ -224,7 +228,7 @@ li.checked::marker { content: &quot;\2612&quot;; }
       </attribute>
       <layout class="QFormLayout" name="formLayout">
        <property name="fieldGrowthPolicy">
-        <enum>QFormLayout::ExpandingFieldsGrow</enum>
+        <enum>QFormLayout::FieldGrowthPolicy::ExpandingFieldsGrow</enum>
        </property>
        <item row="0" column="0" colspan="2">
         <widget class="QPlainTextEdit" name="m_tbResources">
@@ -240,7 +244,7 @@ li.checked::marker { content: &quot;\2612&quot;; }
    <item>
     <widget class="QDialogButtonBox" name="m_buttonBox">
      <property name="standardButtons">
-      <set>QDialogButtonBox::Ok</set>
+      <set>QDialogButtonBox::StandardButton::Ok</set>
      </property>
     </widget>
    </item>
diff --git a/src/librssguard/miscellaneous/notification.cpp b/src/librssguard/miscellaneous/notification.cpp
index 3984db08e..bb70f9fe1 100644
--- a/src/librssguard/miscellaneous/notification.cpp
+++ b/src/librssguard/miscellaneous/notification.cpp
@@ -119,6 +119,7 @@ QList<Notification::Event> Notification::allEvents() {
   return {Event::GeneralEvent,
           Event::NewUnreadArticlesFetched,
           Event::ArticlesFetchingStarted,
+          Event::ArticlesFetchingError,
           Event::LoginDataRefreshed,
           Event::LoginFailure,
           Event::NewAppVersionAvailable,
@@ -152,6 +153,9 @@ QString Notification::nameForEvent(Notification::Event event) {
     case Notification::Event::NodePackageFailedToUpdate:
       return QObject::tr("Node.js - package(s) failed to update");
 
+    case Notification::Event::ArticlesFetchingError:
+      return QObject::tr("Error when fetching articles");
+
     default:
       return QObject::tr("Unknown event");
   }
diff --git a/src/librssguard/miscellaneous/notification.h b/src/librssguard/miscellaneous/notification.h
index 099d6e883..75d165e53 100644
--- a/src/librssguard/miscellaneous/notification.h
+++ b/src/librssguard/miscellaneous/notification.h
@@ -40,7 +40,10 @@ class Notification {
       NodePackageUpdated = 7,
 
       // Node.js - package failde to update.
-      NodePackageFailedToUpdate = 8
+      NodePackageFailedToUpdate = 8,
+
+      // There was at least one error during fetching articles.
+      ArticlesFetchingError = 9
     };
 
     explicit Notification(Event event = Event::NoEvent,