Notify about initial network requirement

src/client/launcher/launcher.cpp

@@ -38,9 +38,14 @@ namespace launcher
 
 		//window.get_html_frame()->load_html(utils::nt::load_resource(MENU_MAIN));
 		window.get_html_frame()->load_url(
-			utils::string::va("file:///%s/data/launcher/main.html", game::get_appdata_path().generic_string().data()));
+			utils::string::va("file:///%s", get_launcher_ui_file().generic_string().data()));
 
 		window::run();
 		return run_game;
 	}
+
+	std::filesystem::path get_launcher_ui_file()
+	{
+		return game::get_appdata_path() / "data/launcher/main.html";
+	}
 }

src/client/launcher/launcher.hpp

@@ -3,4 +3,5 @@
 namespace launcher
 {
 	bool run();
+	std::filesystem::path get_launcher_ui_file();
 }

src/client/main.cpp

@@ -279,6 +279,11 @@ namespace
 				remove_crash_file();
 				updater::update();
 
+				if(!utils::io::file_exists(launcher::get_launcher_ui_file().generic_wstring()))
+				{
+					throw std::runtime_error("BOIII needs an active internet connection for the first time you launch it.");
+				}
+
 				const auto client_binary = "BlackOps3.exe"s;
 				const auto server_binary = "BlackOps3_UnrankedDedicatedServer.exe"s;
 
@@ -335,7 +340,7 @@ namespace
 			}
 			catch (std::exception& e)
 			{
-				MessageBoxA(nullptr, e.what(), "ERROR", MB_ICONERROR | MB_SETFOREGROUND | MB_TOPMOST);
+				MessageBoxA(nullptr, e.what(), "Error", MB_ICONERROR | MB_SETFOREGROUND | MB_TOPMOST);
 				return 1;
 			}
 		}