diff --git a/src/core/htmltemplatehelper.cpp b/src/core/htmltemplatehelper.cpp
index 8bb809ee..e2ef4650 100644
--- a/src/core/htmltemplatehelper.cpp
+++ b/src/core/htmltemplatehelper.cpp
@@ -10,6 +10,7 @@
 #include <utils/htmlutils.h>
 #include <core/thememgr.h>
 #include <core/vnotex.h>
+#include <core/exception.h>
 
 using namespace vnotex;
 
@@ -48,7 +49,11 @@ static void fillGlobalStyles(QString &p_template, const WebResource &p_resource,
                 for (const auto &style : ele.m_styles) {
                     // Read the style file content.
                     auto styleFile = ConfigMgr::getInst().getUserOrAppFile(style);
-                    styles += FileUtils::readTextFile(styleFile);
+                    try {
+                        styles += FileUtils::readTextFile(styleFile);
+                    } catch (Exception &p_e) {
+                        qWarning() << "failed to read global styles" << ele.m_name << styleFile << p_e.what();
+                    }
                 }
             }
             break;
@@ -138,16 +143,20 @@ static void fillResourcesByContent(QString &p_template, const WebResource &p_res
 
     for (const auto &ele : p_resource.m_resources) {
         if (ele.m_enabled && !ele.isGlobal()) {
-            // Styles.
-            for (const auto &style : ele.m_styles) {
-                auto styleFile = ConfigMgr::getInst().getUserOrAppFile(style);
-                styles += FileUtils::readTextFile(styleFile);
-            }
+            try {
+                // Styles.
+                for (const auto &style : ele.m_styles) {
+                    auto styleFile = ConfigMgr::getInst().getUserOrAppFile(style);
+                    styles += FileUtils::readTextFile(styleFile);
+                }
 
-            // Scripts.
-            for (const auto &script : ele.m_scripts) {
-                auto scriptFile = ConfigMgr::getInst().getUserOrAppFile(script);
-                scripts += FileUtils::readTextFile(scriptFile);
+                // Scripts.
+                for (const auto &script : ele.m_scripts) {
+                    auto scriptFile = ConfigMgr::getInst().getUserOrAppFile(script);
+                    scripts += FileUtils::readTextFile(scriptFile);
+                }
+            } catch (Exception &p_e) {
+                qWarning() << "failed to read resource" << ele.m_name << p_e.what();
             }
         }
     }
@@ -186,7 +195,13 @@ QString HtmlTemplateHelper::generateMarkdownViewerTemplate(const MarkdownEditorC
 {
     const auto &viewerResource = p_config.getViewerResource();
     const auto templateFile = ConfigMgr::getInst().getUserOrAppFile(viewerResource.m_template);
-    auto htmlTemplate = FileUtils::readTextFile(templateFile);
+    QString htmlTemplate;
+    try {
+        htmlTemplate = FileUtils::readTextFile(templateFile);
+    } catch (Exception &p_e) {
+        qWarning() << "failed to read HTML template" << templateFile << p_e.what();
+        return errorPage();
+    }
 
     fillGlobalStyles(htmlTemplate, viewerResource, "");
 
@@ -224,7 +239,13 @@ QString HtmlTemplateHelper::generateExportTemplate(const MarkdownEditorConfig &p
 {
     auto exportResource = p_config.getExportResource();
     const auto templateFile = ConfigMgr::getInst().getUserOrAppFile(exportResource.m_template);
-    auto htmlTemplate = FileUtils::readTextFile(templateFile);
+    QString htmlTemplate;
+    try {
+        htmlTemplate = FileUtils::readTextFile(templateFile);
+    } catch (Exception &p_e) {
+        qWarning() << "failed to read export HTML template" << templateFile << p_e.what();
+        return errorPage();
+    }
 
     fillGlobalStyles(htmlTemplate, exportResource, "");
 
@@ -287,3 +308,9 @@ void HtmlTemplateHelper::fillBodyClassList(QString &p_template, const QString &p
 {
     p_template.replace("<!-- VX_BODY_CLASS_LIST_PLACEHOLDER -->", p_classList);
 }
+
+QString HtmlTemplateHelper::errorPage()
+{
+    return VNoteX::tr("Failed to load HTML template. Check the logs for details. "
+                      "Try deleting the user configuration file and the default configuration file.");
+}
diff --git a/src/core/htmltemplatehelper.h b/src/core/htmltemplatehelper.h
index e49e2847..6f91ff29 100644
--- a/src/core/htmltemplatehelper.h
+++ b/src/core/htmltemplatehelper.h
@@ -103,6 +103,8 @@ namespace vnotex
         static void fillOutlinePanel(QString &p_template, WebResource &p_exportResource, bool p_addOutlinePanel);
 
     private:
+        static QString errorPage();
+
         struct Template
         {
             int m_revision = -1;
diff --git a/src/core/vnotex.h b/src/core/vnotex.h
index 8ab5cbe5..87fe08ba 100644
--- a/src/core/vnotex.h
+++ b/src/core/vnotex.h
@@ -64,6 +64,8 @@ namespace vnotex
         // Requested to import a legacy notebook from VNote 2.0.
         void importLegacyNotebookRequested();
 
+        void manageNotebooksRequested();
+
         // Requested to import files.
         void importFileRequested();
 
diff --git a/src/widgets/mainwindow.cpp b/src/widgets/mainwindow.cpp
index a25b1c3b..a2ca46b7 100644
--- a/src/widgets/mainwindow.cpp
+++ b/src/widgets/mainwindow.cpp
@@ -295,6 +295,8 @@ void MainWindow::setupNotebookExplorer(QWidget *p_parent)
             m_notebookExplorer, &NotebookExplorer::importFolder);
     connect(&VNoteX::getInst(), &VNoteX::importLegacyNotebookRequested,
             m_notebookExplorer, &NotebookExplorer::importLegacyNotebook);
+    connect(&VNoteX::getInst(), &VNoteX::manageNotebooksRequested,
+            m_notebookExplorer, &NotebookExplorer::manageNotebooks);
     connect(&VNoteX::getInst(), &VNoteX::locateNodeRequested,
             this, [this](Node *p_node) {
                 m_dockWidgetHelper.activateDock(DockWidgetHelper::NavigationDock);
diff --git a/src/widgets/notebookexplorer.cpp b/src/widgets/notebookexplorer.cpp
index 0920e3cf..d2fd712b 100644
--- a/src/widgets/notebookexplorer.cpp
+++ b/src/widgets/notebookexplorer.cpp
@@ -164,16 +164,11 @@ TitleBar *NotebookExplorer::setupTitleBar(QWidget *p_parent)
                 });
     }
 
-    titleBar->addMenuAction(QStringLiteral("manage_notebooks.svg"),
-                            tr("&Manage Notebooks"),
-                            titleBar,
-                            [this]() {
-                                ManageNotebooksDialog dialog(m_currentNotebook.data(),
-                                                             VNoteX::getInst().getMainWindow());
-                                dialog.exec();
-                            });
-
-    titleBar->addMenuSeparator();
+    {
+        auto btn = titleBar->addActionButton(QStringLiteral("manage_notebooks.svg"), tr("Manage Notebooks"));
+        connect(btn, &QToolButton::clicked,
+                this, &NotebookExplorer::manageNotebooks);
+    }
 
     // External Files menu.
     {
@@ -404,6 +399,12 @@ void NotebookExplorer::importLegacyNotebook()
     dialog.exec();
 }
 
+void NotebookExplorer::manageNotebooks()
+{
+    ManageNotebooksDialog dialog(m_currentNotebook.data(), VNoteX::getInst().getMainWindow());
+    dialog.exec();
+}
+
 void NotebookExplorer::locateNode(Node *p_node)
 {
     Q_ASSERT(p_node);
diff --git a/src/widgets/notebookexplorer.h b/src/widgets/notebookexplorer.h
index 61f047eb..b9f345cd 100644
--- a/src/widgets/notebookexplorer.h
+++ b/src/widgets/notebookexplorer.h
@@ -55,6 +55,8 @@ namespace vnotex
 
         void locateNode(Node *p_node);
 
+        void manageNotebooks();
+
     signals:
         void notebookActivated(ID p_notebookId);
 
diff --git a/src/widgets/toolbarhelper.cpp b/src/widgets/toolbarhelper.cpp
index 2af23ab2..b2b6ac35 100644
--- a/src/widgets/toolbarhelper.cpp
+++ b/src/widgets/toolbarhelper.cpp
@@ -96,6 +96,16 @@ QToolBar *ToolBarHelper::setupFileToolBar(MainWindow *p_win, QToolBar *p_toolBar
                            []() {
                                emit VNoteX::getInst().importLegacyNotebookRequested();
                            });
+
+        btnMenu->addSeparator();
+
+        // Manage notebook.
+        btnMenu->addAction(generateIcon("manage_notebooks.svg"),
+                           MainWindow::tr("Manage Notebooks"),
+                           btnMenu,
+                           []() {
+                               emit VNoteX::getInst().manageNotebooksRequested();
+                           });
     }
 
     // New Note.