diff --git a/src/Gui/PreferencePages/DlgSettingsGeneral.cpp b/src/Gui/PreferencePages/DlgSettingsGeneral.cpp
index 2d2830e60a..876c24bafb 100644
--- a/src/Gui/PreferencePages/DlgSettingsGeneral.cpp
+++ b/src/Gui/PreferencePages/DlgSettingsGeneral.cpp
@@ -53,6 +53,8 @@
 #include <Gui/OverlayManager.h>
 #include <Gui/ParamHandler.h>
 #include <Gui/PreferencePackManager.h>
+#include <Gui/View3DInventor.h>
+#include <Gui/View3DInventorViewer.h>
 #include <Gui/Language/Translator.h>
 
 #include "DlgSettingsGeneral.h"
@@ -82,13 +84,30 @@ DlgSettingsGeneral::DlgSettingsGeneral( QWidget* parent )
 
     recreatePreferencePackMenu();
 
-    connect(ui->ImportConfig, &QPushButton::clicked, this, &DlgSettingsGeneral::onImportConfigClicked);
-    connect(ui->SaveNewPreferencePack, &QPushButton::clicked, this, &DlgSettingsGeneral::saveAsNewPreferencePack);
-    connect(ui->themesCombobox, qOverload<int>(&QComboBox::activated), this, &DlgSettingsGeneral::onThemeChanged);
-    connect(ui->moreThemesLabel, &QLabel::linkActivated, this, &DlgSettingsGeneral::onLinkActivated);
 
-    ui->ManagePreferencePacks->setToolTip(tr("Manage preference packs"));
-    connect(ui->ManagePreferencePacks, &QPushButton::clicked, this, &DlgSettingsGeneral::onManagePreferencePacksClicked);
+    ui->themesCombobox->setEnabled(true);
+    Gui::Document* doc = Gui::Application::Instance->activeDocument();
+    if (doc) {
+        Gui::View3DInventor* view = static_cast<Gui::View3DInventor*>(doc->getActiveView());
+        if (view) {
+            Gui::View3DInventorViewer* viewer = view->getViewer();
+            if (viewer->isEditing()) {
+                ui->ImportConfig->setEnabled(false);
+                ui->SaveNewPreferencePack->setEnabled(false);
+                ui->ManagePreferencePacks->setEnabled(false);
+                ui->themesCombobox->setEnabled(false);
+                ui->moreThemesLabel->setEnabled(false);
+            }
+        }
+    }
+    if (ui->themesCombobox->isEnabled()) {
+        connect(ui->ImportConfig, &QPushButton::clicked, this, &DlgSettingsGeneral::onImportConfigClicked);
+        connect(ui->SaveNewPreferencePack, &QPushButton::clicked, this, &DlgSettingsGeneral::saveAsNewPreferencePack);
+        ui->ManagePreferencePacks->setToolTip(tr("Manage preference packs"));
+        connect(ui->ManagePreferencePacks, &QPushButton::clicked, this, &DlgSettingsGeneral::onManagePreferencePacksClicked);
+        connect(ui->themesCombobox, qOverload<int>(&QComboBox::activated), this, &DlgSettingsGeneral::onThemeChanged);
+        connect(ui->moreThemesLabel, &QLabel::linkActivated, this, &DlgSettingsGeneral::onLinkActivated);
+    }
 
     // If there are any saved config file backs, show the revert button, otherwise hide it:
     const auto & backups = Application::Instance->prefPackManager()->configBackups();
@@ -643,8 +662,21 @@ void DlgSettingsGeneral::recreatePreferencePackMenu()
         auto kind = new QTableWidgetItem(tagString);
         ui->PreferencePacks->setItem(row, 1, kind);
         auto button = new QPushButton(icon, tr("Apply"));
-        button->setToolTip(tr("Apply the %1 preference pack").arg(QString::fromStdString(pack.first)));
-        connect(button, &QPushButton::clicked, this, [this, pack]() { onLoadPreferencePackClicked(pack.first); });
+        button->setEnabled(true);
+        Gui::Document* doc = Gui::Application::Instance->activeDocument();
+        if (doc) {
+            Gui::View3DInventor* view = static_cast<Gui::View3DInventor*>(doc->getActiveView());
+            if (view) {
+                Gui::View3DInventorViewer* viewer = view->getViewer();
+                if (viewer->isEditing()) {
+                    button->setEnabled(false);
+                }
+            }
+        }
+        if (button->isEnabled()) {
+            button->setToolTip(tr("Apply the %1 preference pack").arg(QString::fromStdString(pack.first)));
+            connect(button, &QPushButton::clicked, this, [this, pack]() { onLoadPreferencePackClicked(pack.first); });
+        }
         ui->PreferencePacks->setCellWidget(row, 2, button);
         ++row;
     }
diff --git a/src/Mod/Start/Gui/StartView.cpp b/src/Mod/Start/Gui/StartView.cpp
index 185f5ea929..a4769da390 100644
--- a/src/Mod/Start/Gui/StartView.cpp
+++ b/src/Mod/Start/Gui/StartView.cpp
@@ -49,6 +49,8 @@
 #include <Base/Tools.h>
 #include <Gui/Application.h>
 #include <Gui/Command.h>
+#include <Gui/View3DInventor.h>
+#include <Gui/View3DInventorViewer.h>
 #include <gsl/pointers>
 
 using namespace StartGui;
@@ -476,6 +478,17 @@ void StartView::firstStartWidgetDismissed()
 
 void StartView::changeEvent(QEvent* event)
 {
+    _openFirstStart->setEnabled(true);
+    Gui::Document* doc = Gui::Application::Instance->activeDocument();
+    if (doc) {
+        Gui::View3DInventor* view = static_cast<Gui::View3DInventor*>(doc->getActiveView());
+        if (view) {
+            Gui::View3DInventorViewer* viewer = view->getViewer();
+            if (viewer->isEditing()) {
+                _openFirstStart->setEnabled(false);
+            }
+        }
+    }
     if (event->type() == QEvent::LanguageChange) {
         this->retranslateUi();
     }