diff --git a/lib/libimhex/source/api/imhex_api.cpp b/lib/libimhex/source/api/imhex_api.cpp
index 706a76f28..e1a524490 100644
--- a/lib/libimhex/source/api/imhex_api.cpp
+++ b/lib/libimhex/source/api/imhex_api.cpp
@@ -226,6 +226,9 @@ namespace hex {
         }
 
         void setCurrentProvider(u32 index) {
+            if (Task::getRunningTaskCount() > 0)
+                return;
+
             if (index < s_providers.size()) {
                 auto oldProvider  = get();
                 s_currentProvider = index;
@@ -238,6 +241,9 @@ namespace hex {
         }
 
         void add(prv::Provider *provider) {
+            if (Task::getRunningTaskCount() > 0)
+                return;
+
             s_providers.push_back(provider);
             setCurrentProvider(s_providers.size() - 1);
 
@@ -245,6 +251,9 @@ namespace hex {
         }
 
         void remove(prv::Provider *provider) {
+            if (Task::getRunningTaskCount() > 0)
+                return;
+            
             auto it = std::find(s_providers.begin(), s_providers.end(), provider);
 
             s_providers.erase(it);
diff --git a/plugins/builtin/source/content/main_menu_items.cpp b/plugins/builtin/source/content/main_menu_items.cpp
index b975cebf2..f141b3bf6 100644
--- a/plugins/builtin/source/content/main_menu_items.cpp
+++ b/plugins/builtin/source/content/main_menu_items.cpp
@@ -15,17 +15,20 @@ namespace hex::plugin::builtin {
     static bool g_demoWindowOpen = false;
 
     static void createFileMenu() {
+
         ContentRegistry::Interface::registerMainMenuItem("hex.builtin.menu.file", 1000);
 
         ContentRegistry::Interface::addMenuItem("hex.builtin.menu.file", 1050, [&] {
-            if (ImGui::MenuItem("hex.builtin.menu.file.open_file"_lang, "CTRL + O")) {
+            bool taskRunning = Task::getRunningTaskCount() > 0;
+
+            if (ImGui::MenuItem("hex.builtin.menu.file.open_file"_lang, "CTRL + O", false, !taskRunning)) {
 
                 fs::openFileBrowser(fs::DialogMode::Open, {}, [](const auto &path) {
                     EventManager::post<RequestOpenFile>(path);
                 });
             }
 
-            if (ImGui::BeginMenu("hex.builtin.menu.file.open_other"_lang)) {
+            if (ImGui::BeginMenu("hex.builtin.menu.file.open_other"_lang, !taskRunning)) {
 
                 for (const auto &unlocalizedProviderName : ContentRegistry::Provider::getEntries()) {
                     if (ImGui::MenuItem(LangEntry(unlocalizedProviderName))) {
@@ -40,13 +43,14 @@ namespace hex::plugin::builtin {
         /* File open, quit imhex */
         ContentRegistry::Interface::addMenuItem("hex.builtin.menu.file", 1150, [&] {
             bool providerValid = ImHexApi::Provider::isValid();
+            bool taskRunning = Task::getRunningTaskCount() > 0;
 
-            if (ImGui::MenuItem("hex.builtin.menu.file.close"_lang, "", false, providerValid)) {
+            if (ImGui::MenuItem("hex.builtin.menu.file.close"_lang, "", false, providerValid && !taskRunning)) {
                 EventManager::post<EventFileUnloaded>();
                 ImHexApi::Provider::remove(ImHexApi::Provider::get());
             }
 
-            if (ImGui::MenuItem("hex.builtin.menu.file.quit"_lang, "", false)) {
+            if (ImGui::MenuItem("hex.builtin.menu.file.quit"_lang)) {
                 ImHexApi::Common::closeImHex();
             }
         });
@@ -55,8 +59,9 @@ namespace hex::plugin::builtin {
         ContentRegistry::Interface::addMenuItem("hex.builtin.menu.file", 1250, [&] {
             auto provider      = ImHexApi::Provider::get();
             bool providerValid = ImHexApi::Provider::isValid();
+            bool taskRunning = Task::getRunningTaskCount() > 0;
 
-            if (ImGui::MenuItem("hex.builtin.menu.file.open_project"_lang, "")) {
+            if (ImGui::MenuItem("hex.builtin.menu.file.open_project"_lang, "", false, !taskRunning)) {
                 fs::openFileBrowser(fs::DialogMode::Open, { {"Project File", "hexproj"}
                 },
                     [](const auto &path) {
@@ -84,9 +89,10 @@ namespace hex::plugin::builtin {
         ContentRegistry::Interface::addMenuItem("hex.builtin.menu.file", 1300, [&] {
             auto provider      = ImHexApi::Provider::get();
             bool providerValid = ImHexApi::Provider::isValid();
+            bool taskRunning = Task::getRunningTaskCount() > 0;
 
             /* Import */
-            if (ImGui::BeginMenu("hex.builtin.menu.file.import"_lang)) {
+            if (ImGui::BeginMenu("hex.builtin.menu.file.import"_lang, !taskRunning)) {
                 if (ImGui::MenuItem("hex.builtin.menu.file.import.base64"_lang)) {
 
                     fs::openFileBrowser(fs::DialogMode::Open, {}, [](const auto &path) {
@@ -300,10 +306,8 @@ namespace hex::plugin::builtin {
 
     static void createHelpMenu() {
         ContentRegistry::Interface::registerMainMenuItem("hex.builtin.menu.help", 5000);
-
     }
 
-
     void registerMainMenuEntries() {
         createFileMenu();
         createEditMenu();
diff --git a/plugins/builtin/source/content/ui_items.cpp b/plugins/builtin/source/content/ui_items.cpp
index 8df0c7bea..1b8d814bd 100644
--- a/plugins/builtin/source/content/ui_items.cpp
+++ b/plugins/builtin/source/content/ui_items.cpp
@@ -227,6 +227,7 @@ namespace hex::plugin::builtin {
         ContentRegistry::Interface::addToolbarItem([] {
             auto provider      = ImHexApi::Provider::get();
             bool providerValid = provider != nullptr;
+            bool tasksRunning  = Task::getRunningTaskCount() > 0;
 
             // Undo
             ImGui::BeginDisabled(!providerValid || !provider->canUndo());
@@ -246,14 +247,17 @@ namespace hex::plugin::builtin {
 
             ImGui::SeparatorEx(ImGuiSeparatorFlags_Vertical);
 
-            // Create new file
-            if (ImGui::ToolBarButton(ICON_VS_FILE, ImGui::GetCustomColorVec4(ImGuiCustomCol_ToolbarGray)))
-                EventManager::post<RequestOpenWindow>("Create File");
-
-            // Open file
-            if (ImGui::ToolBarButton(ICON_VS_FOLDER_OPENED, ImGui::GetCustomColorVec4(ImGuiCustomCol_ToolbarBrown)))
-                EventManager::post<RequestOpenWindow>("Open File");
+            ImGui::BeginDisabled(tasksRunning);
+            {
+                // Create new file
+                if (ImGui::ToolBarButton(ICON_VS_FILE, ImGui::GetCustomColorVec4(ImGuiCustomCol_ToolbarGray)))
+                    EventManager::post<RequestOpenWindow>("Create File");
 
+                // Open file
+                if (ImGui::ToolBarButton(ICON_VS_FOLDER_OPENED, ImGui::GetCustomColorVec4(ImGuiCustomCol_ToolbarBrown)))
+                    EventManager::post<RequestOpenWindow>("Open File");
+            }
+            ImGui::EndDisabled();
 
             ImGui::SeparatorEx(ImGuiSeparatorFlags_Vertical);
 
@@ -295,7 +299,7 @@ namespace hex::plugin::builtin {
             ImGui::Spacing();
 
             // Provider switcher
-            ImGui::BeginDisabled(!providerValid);
+            ImGui::BeginDisabled(!providerValid || tasksRunning);
             {
                 auto &providers = ImHexApi::Provider::getProviders();