diff --git a/src/Application/Application.cpp b/src/Application/Application.cpp
new file mode 100644
index 0000000..5854eba
--- /dev/null
+++ b/src/Application/Application.cpp
@@ -0,0 +1,77 @@
+//  MassBuilderSaveTool
+//  Copyright (C) 2021-2022 Guillaume Jacquemin
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <Magnum/GL/DefaultFramebuffer.h>
+
+#include <SDL_events.h>
+
+#include "../Configuration/Configuration.h"
+#include "../Logger/Logger.h"
+
+#include "Application.h"
+
+Application::Application(const Arguments& args):
+    Platform::ScreenedApplication(
+        args,
+        Configuration{}.setTitle("M.A.S.S. Builder Save Tool " SAVETOOL_VERSION " (\"" SAVETOOL_CODENAME "\")")
+                       .setSize({960, 720})
+    )
+{
+    //ctor
+}
+
+Application::~Application() {
+    LOG_INFO("Cleaning up.");
+
+    SDL_RemoveTimer(_gameCheckTimerId);
+
+    LOG_INFO("Saving the configuration.");
+
+    conf().save();
+}
+
+void
+Application::globalBeforeDrawEvent() {
+    GL::defaultFramebuffer.clear(GL::FramebufferClear::Color);
+}
+
+void
+Application::globalDrawEvent() {
+    swapBuffers();
+
+    if(conf().swapInterval() == 0 && conf().fpsCap() < 301.0f) {
+        while(_timeline.currentFrameDuration() < (1.0f / conf().fpsCap()));
+    }
+
+    redraw();
+
+    _timeline.nextFrame();
+}
+
+void
+Application::globalViewportEvent(ViewportEvent& event) {
+    if(event.event().type & SDL_WINDOWEVENT_SIZE_CHANGED) {
+        GL::defaultFramebuffer.setViewport({{}, event.windowSize()});
+
+        const Vector2 size = Vector2{windowSize()}/dpiScaling();
+        _imgui.relayout(size, windowSize(), framebufferSize());
+    }
+}
+
+void
+Application::anyEvent(SDL_Event& event) {
+    //
+}
diff --git a/src/Application/Application.h b/src/Application/Application.h
new file mode 100644
index 0000000..7220283
--- /dev/null
+++ b/src/Application/Application.h
@@ -0,0 +1,51 @@
+#pragma once
+
+//  MassBuilderSaveTool
+//  Copyright (C) 2021-2022 Guillaume Jacquemin
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <Magnum/Timeline.h>
+#include <Magnum/ImGuiIntegration/Context.h>
+#include <Magnum/Platform/ScreenedApplication.h>
+#include <Magnum/Platform/Sdl2Application.h>
+
+#include <SDL_timer.h>
+
+using namespace Magnum;
+
+class Application: public Platform::ScreenedApplication {
+    public:
+        explicit Application(const Arguments& args);
+        ~Application();
+
+        Application(const Application&) = delete;
+        Application& operator=(const Application&) = delete;
+        Application(Application&&) = delete;
+        Application& operator=(Application&&) = delete;
+
+    private:
+        // Events
+        void globalBeforeDrawEvent() override;
+        void globalDrawEvent() override;
+        void globalViewportEvent(ViewportEvent& event) override;
+
+        void anyEvent(SDL_Event& event) override;
+
+        Timeline _timeline;
+
+        ImGuiIntegration::Context _imgui{NoCreate};
+
+        SDL_TimerID _gameCheckTimerId = 0;
+};
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 9022e66..a40687f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -33,6 +33,8 @@ add_subdirectory(UESaveFile EXCLUDE_FROM_ALL)
 
 add_executable(MassBuilderSaveTool WIN32
     main.cpp
+    Application/Application.h
+    Application/Application.cpp
     SaveTool/SaveTool.h
     SaveTool/SaveTool.cpp
     SaveTool/SaveTool_drawAbout.cpp
@@ -87,6 +89,8 @@ add_executable(MassBuilderSaveTool WIN32
     Maps/WeaponTypes.hpp
     ToastQueue/ToastQueue.h
     ToastQueue/ToastQueue.cpp
+    UpdateChecker/UpdateChecker.h
+    UpdateChecker/UpdateChecker.cpp
     Utilities/Crc32.h
     FontAwesome/IconsFontAwesome5.h
     FontAwesome/IconsFontAwesome5Brands.h
diff --git a/src/SaveTool/SaveTool_Initialisation.cpp b/src/SaveTool/SaveTool_Initialisation.cpp
index e14bb2b..2ed430f 100644
--- a/src/SaveTool/SaveTool_Initialisation.cpp
+++ b/src/SaveTool/SaveTool_Initialisation.cpp
@@ -198,9 +198,10 @@ SaveTool::findGameDataDirectory() -> bool {
 
     wchar_t* localappdata_path = nullptr;
     Containers::ScopeGuard guard{localappdata_path, CoTaskMemFree};
-    if(SHGetKnownFolderPath(FOLDERID_LocalAppData, KF_FLAG_NO_APPCONTAINER_REDIRECTION, nullptr, &localappdata_path) != S_OK)
+    auto result = SHGetKnownFolderPath(FOLDERID_LocalAppData, KF_FLAG_NO_APPCONTAINER_REDIRECTION, nullptr, &localappdata_path);
+    if(result != S_OK)
     {
-        _lastError = Utility::format("SHGetKnownFolderPath() failed with error code {}.", GetLastError());
+        _lastError = Utility::format("SHGetKnownFolderPath() failed with error code {}.", result);
         LOG_ERROR(_lastError);
         return false;
     }
diff --git a/src/UpdateChecker/UpdateChecker.cpp b/src/UpdateChecker/UpdateChecker.cpp
new file mode 100644
index 0000000..dbf3f84
--- /dev/null
+++ b/src/UpdateChecker/UpdateChecker.cpp
@@ -0,0 +1,31 @@
+//  MassBuilderSaveTool
+//  Copyright (C) 2021-2022 Guillaume Jacquemin
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <curl/curl.h>
+
+#include "../Logger/Logger.h"
+
+#include "UpdateChecker.h"
+
+UpdateChecker::UpdateChecker() {
+    LOG_INFO("Initialising update checker.");
+    curl_global_init(CURL_GLOBAL_DEFAULT);
+}
+
+UpdateChecker::~UpdateChecker() {
+    LOG_INFO("Shutting libcurl down.");
+    curl_global_cleanup();
+}
diff --git a/src/UpdateChecker/UpdateChecker.h b/src/UpdateChecker/UpdateChecker.h
new file mode 100644
index 0000000..f941cd9
--- /dev/null
+++ b/src/UpdateChecker/UpdateChecker.h
@@ -0,0 +1,38 @@
+#pragma once
+
+//  MassBuilderSaveTool
+//  Copyright (C) 2021-2022 Guillaume Jacquemin
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <mutex>
+
+class UpdateChecker {
+    public:
+        UpdateChecker();
+        ~UpdateChecker();
+
+        void lock() {
+            _mutex.lock();
+        }
+        bool tryLock() {
+            return _mutex.try_lock();
+        }
+        void unlock() {
+            _mutex.unlock();
+        }
+
+    private:
+        std::mutex _mutex;
+};