diff --git a/src/btop.cpp b/src/btop.cpp
index 9ad5012..736854f 100644
--- a/src/btop.cpp
+++ b/src/btop.cpp
@@ -96,9 +96,9 @@ namespace Global {
 	string exit_error_msg;
 	atomic<bool> thread_exception (false);
 
-	bool debuginit{};   // defaults to false
-	bool debug{};       // defaults to false
-	bool utf_force{};   // defaults to false
+	bool debuginit{};
+	bool debug{};
+	bool utf_force{};
 
 	uint64_t start_time;
 
@@ -107,9 +107,10 @@ namespace Global {
 	atomic<bool> should_quit (false);
 	atomic<bool> should_sleep (false);
 	atomic<bool> _runner_started (false);
+	atomic<bool> init_conf (false);
 
-	bool arg_tty{};         // defaults to false
-	bool arg_low_color{};   // defaults to false
+	bool arg_tty{};
+	bool arg_low_color{};
 	int arg_preset = -1;
 	int arg_update = 0;
 }
@@ -418,7 +419,7 @@ namespace Runner {
 
 	string output;
 	string empty_bg;
-	bool pause_output{}; // defaults to false
+	bool pause_output{};
 	sigset_t mask;
 	pthread_t runner_id;
 	pthread_mutex_t mtx;
@@ -894,10 +895,10 @@ int main(int argc, char **argv) {
 	}
 
 	//? Config init
-	{	vector<string> load_warnings;
+	{
+		atomic_lock lck(Global::init_conf);
+		vector<string> load_warnings;
 		Config::load(Config::conf_file, load_warnings);
-
-		if (Config::current_boxes.empty()) Config::check_boxes(Config::getS("shown_boxes"));
 		Config::set("lowcolor", (Global::arg_low_color ? true : not Config::getB("truecolor")));
 
 		if (Global::debug) {
@@ -918,7 +919,7 @@ int main(int argc, char **argv) {
 	}
 	else {
 		string found;
-		bool set_failure{}; // defaults to false
+		bool set_failure{};
 		for (const auto loc_env : array{"LANG", "LC_ALL"}) {
 			if (std::getenv(loc_env) != nullptr and str_to_upper(s_replace((string)std::getenv(loc_env), "-", "")).ends_with("UTF8")) {
 				found = std::getenv(loc_env);
@@ -1018,6 +1019,11 @@ int main(int argc, char **argv) {
 		clean_quit(1);
 	}
 
+	if (not Config::check_boxes(Config::getS("shown_boxes"))) {
+		Config::check_boxes("cpu mem net proc");
+		Config::set("shown_boxes", "cpu mem net proc"s);
+	}
+
 	//? Update list of available themes and generate the selected theme
 	Theme::updateThemes();
 	Theme::setTheme();
diff --git a/src/btop_config.cpp b/src/btop_config.cpp
index b8a5f67..18e60ae 100644
--- a/src/btop_config.cpp
+++ b/src/btop_config.cpp
@@ -507,7 +507,7 @@ namespace Config {
 		else if (name.starts_with("graph_symbol_") and (value != "default" and not v_contains(valid_graph_symbols, value)))
 			validError = fmt::format("Invalid graph symbol identifier for {}: {}", name, value);
 
-		else if (name == "shown_boxes" and not value.empty() and not check_boxes(value))
+		else if (name == "shown_boxes" and not Global::init_conf and not value.empty() and not check_boxes(value))
 			validError = "Invalid box name(s) in shown_boxes!";
 
 	#ifdef GPU_SUPPORT
@@ -619,8 +619,7 @@ namespace Config {
 			if (not v_contains(valid_boxes, box)) return false;
 		#ifdef GPU_SUPPORT
 			if (box.starts_with("gpu")) {
-				size_t gpu_num = stoi(box.substr(3));
-				if (gpu_num == 0) gpu_num = 5;
+				size_t gpu_num = stoi(box.substr(3)) + 1;
 				if (std::cmp_greater(gpu_num, Gpu::gpu_names.size())) return false;
 			}
 		#endif
diff --git a/src/btop_draw.cpp b/src/btop_draw.cpp
index eecec45..acab14c 100644
--- a/src/btop_draw.cpp
+++ b/src/btop_draw.cpp
@@ -307,8 +307,8 @@ namespace Draw {
 			{"/uptime", ""}
 		};
 
-		static time_t c_time{};     // defaults to 0
-		static size_t clock_len{};  // defaults to 0
+		static time_t c_time{};
+		static size_t clock_len{};
 		static string clock_str;
 
 		if (auto n_time = time(nullptr); not force and n_time == c_time)
diff --git a/src/btop_draw.hpp b/src/btop_draw.hpp
index b049a57..205fa85 100644
--- a/src/btop_draw.hpp
+++ b/src/btop_draw.hpp
@@ -65,8 +65,8 @@ namespace Draw {
 
 	//* An editable text field
 	class TextEdit {
-		size_t pos{};   // defaults to 0
-		size_t upos{};  // defaults to 0
+		size_t pos{};
+		size_t upos{};
 		bool numeric;
 	public:
 		string text;
diff --git a/src/btop_menu.cpp b/src/btop_menu.cpp
index bc97dc2..fb119aa 100644
--- a/src/btop_menu.cpp
+++ b/src/btop_menu.cpp
@@ -49,8 +49,8 @@ namespace Menu {
    bool redraw{true};
    int currentMenu = -1;
    msgBox messageBox;
-   int signalToSend{};  // defaults to 0
-   int signalKillRet{}; // defaults to 0
+   int signalToSend{};
+   int signalKillRet{};
 
    const array<string, 32> P_Signals = {
 	   "0",
@@ -868,8 +868,8 @@ namespace Menu {
 
 	int signalChoose(const string& key) {
 		auto s_pid = (Config::getB("show_detailed") and Config::getI("selected_pid") == 0 ? Config::getI("detailed_pid") : Config::getI("selected_pid"));
-		static int x{}; // defaults to 0
-		static int y{}; // defaults to 0
+		static int x{};
+		static int y{};
 		static int selected_signal = -1;
 
 		if (bg.empty()) selected_signal = -1;
@@ -1070,8 +1070,8 @@ namespace Menu {
 
 	int mainMenu(const string& key) {
 		enum MenuItems { Options, Help, Quit };
-		static int y{};         // defaults to 0
-		static int selected{};  // defaults to 0
+		static int y{};
+		static int selected{};
 		static vector<string> colors_selected;
 		static vector<string> colors_normal;
 		auto tty_mode = Config::getB("tty_mode");
@@ -1149,18 +1149,18 @@ namespace Menu {
 
 	int optionsMenu(const string& key) {
 		enum Predispositions { isBool, isInt, isString, is2D, isBrowseable, isEditable};
-		static int y{};                 // defaults to 0
-		static int x{};                 // defaults to 0
-		static int height{};            // defaults to 0
-		static int page{};              // defaults to 0
-		static int pages{};             // defaults to 0
-		static int selected{};          // defaults to 0
-		static int select_max{};        // defaults to 0
-		static int item_height{};       // defaults to 0
-		static int selected_cat{};      // defaults to 0
-		static int max_items{};         // defaults to 0
-		static int last_sel{};          // defaults to 0
-		static bool editing{};          // defaults to false
+		static int y{};
+		static int x{};
+		static int height{};
+		static int page{};
+		static int pages{};
+		static int selected{};
+		static int select_max{};
+		static int item_height{};
+		static int selected_cat{};
+		static int max_items{};
+		static int last_sel{};
+		static bool editing{};
 		static Draw::TextEdit editor;
 		static string warnings;
 		static bitset<8> selPred;
@@ -1196,9 +1196,9 @@ namespace Menu {
 			Theme::updateThemes();
 		}
 		int retval = Changed;
-		bool recollect{};       // defaults to false
-		bool screen_redraw{};   // defaults to false
-		bool theme_refresh{};   // defaults to false
+		bool recollect{};
+		bool screen_redraw{};
+		bool theme_refresh{};
 
 		//? Draw background if needed else process input
 		if (redraw) {
@@ -1500,11 +1500,11 @@ namespace Menu {
 	}
 
 	int helpMenu(const string& key) {
-		static int y{};         // defaults to 0
-		static int x{};         // defaults to 0
-		static int height{};    // defaults to 0
-		static int page{};      // defaults to 0
-		static int pages{};     // defaults to 0
+		static int y{};
+		static int x{};
+		static int height{};
+		static int page{};
+		static int pages{};
 
 		if (bg.empty()) page = 0;
 		int retval = Changed;
diff --git a/src/btop_menu.hpp b/src/btop_menu.hpp
index 74b30d1..63974e4 100644
--- a/src/btop_menu.hpp
+++ b/src/btop_menu.hpp
@@ -46,12 +46,12 @@ namespace Menu {
 	//? Strings in content vector is not checked for box width overflow
 	class msgBox {
 		string box_contents, button_left, button_right;
-		int height{};       // defaults to 0
-		int width{};        // defaults to 0
-		int boxtype{};      // defaults to 0
-		int selected{};     // defaults to 0
-		int x{};            // defaults to 0
-		int y{};            // defaults to 0
+		int height{};
+		int width{};
+		int boxtype{};
+		int selected{};
+		int x{};
+		int y{};
 	public:
 		enum BoxTypes { OK, YES_NO, NO_YES };
 		enum msgReturn {
diff --git a/src/btop_shared.hpp b/src/btop_shared.hpp
index ebd1073..69566c6 100644
--- a/src/btop_shared.hpp
+++ b/src/btop_shared.hpp
@@ -54,6 +54,7 @@ namespace Global {
 	extern string overlay;
 	extern string clock;
 	extern uid_t real_uid, set_uid;
+	extern atomic<bool> init_conf;
 }
 
 namespace Runner {
@@ -228,11 +229,11 @@ namespace Mem {
 		string name;
 		string fstype{};                // defaults to ""
 		std::filesystem::path stat{};   // defaults to ""
-		int64_t total{};                // defaults to 0
-		int64_t used{};                 // defaults to 0
-		int64_t free{};                 // defaults to 0
-		int used_percent{};             // defaults to 0
-		int free_percent{};             // defaults to 0
+		int64_t total{};
+		int64_t used{};
+		int64_t free{};
+		int used_percent{};
+		int free_percent{};
 
 		array<int64_t, 3> old_io = {0, 0, 0};
 		deque<long long> io_read = {};
@@ -272,12 +273,12 @@ namespace Net {
 	extern std::unordered_map<string, uint64_t> graph_max;
 
 	struct net_stat {
-		uint64_t speed{};       // defaults to 0
-		uint64_t top{};         // defaults to 0
-		uint64_t total{};       // defaults to 0
-		uint64_t last{};        // defaults to 0
-		uint64_t offset{};      // defaults to 0
-		uint64_t rollover{};    // defaults to 0
+		uint64_t speed{};
+		uint64_t top{};
+		uint64_t total{};
+		uint64_t last{};
+		uint64_t offset{};
+		uint64_t rollover{};
 	};
 
 	struct net_info {
@@ -285,7 +286,7 @@ namespace Net {
 		std::unordered_map<string, net_stat> stat = { {"download", {}}, {"upload", {}} };
 		string ipv4{};      // defaults to ""
 		string ipv6{};      // defaults to ""
-		bool connected{};   // defaults to false
+		bool connected{};
 	};
 
 	extern std::unordered_map<string, net_info> current_net;
@@ -337,32 +338,32 @@ namespace Proc {
 
 	//* Container for process information
 	struct proc_info {
-		size_t pid{};           // defaults to 0
+		size_t pid{};
 		string name{};          // defaults to ""
 		string cmd{};           // defaults to ""
 		string short_cmd{};     // defaults to ""
-		size_t threads{};       // defaults to 0
-		int name_offset{};      // defaults to 0
+		size_t threads{};
+		int name_offset{};
 		string user{};          // defaults to ""
-		uint64_t mem{};         // defaults to 0
+		uint64_t mem{};
 		double cpu_p{};         // defaults to = 0.0
 		double cpu_c{};         // defaults to = 0.0
 		char state = '0';
-		int64_t p_nice{};      // defaults to 0
-		uint64_t ppid{};        // defaults to 0
-		uint64_t cpu_s{};       // defaults to 0
-		uint64_t cpu_t{};       // defaults to 0
+		int64_t p_nice{};
+		uint64_t ppid{};
+		uint64_t cpu_s{};
+		uint64_t cpu_t{};
 		string prefix{};        // defaults to ""
-		size_t depth{};         // defaults to 0
-		size_t tree_index{};    // defaults to 0
-		bool collapsed{};       // defaults to false
-		bool filtered{};        // defaults to false
+		size_t depth{};
+		size_t tree_index{};
+		bool collapsed{};
+		bool filtered{};
 	};
 
 	//* Container for process info box
 	struct detail_container {
-		size_t last_pid{}; // defaults to 0
-		bool skip_smaps{}; // defaults to false
+		size_t last_pid{};
+		bool skip_smaps{};
 		proc_info entry;
 		string elapsed, parent, status, io_read, io_write, memory;
 		long long first_mem = -1;
diff --git a/src/btop_tools.cpp b/src/btop_tools.cpp
index 47c53bc..8a85ed4 100644
--- a/src/btop_tools.cpp
+++ b/src/btop_tools.cpp
@@ -54,9 +54,9 @@ namespace rng = std::ranges;
 //* Collection of escape codes and functions for terminal manipulation
 namespace Term {
 
-	atomic<bool> initialized{}; // defaults to false
-	atomic<int> width{};        // defaults to 0
-	atomic<int> height{};       // defaults to 0
+	atomic<bool> initialized{};
+	atomic<int> width{};
+	atomic<int> height{};
 	string current_tty;
 
 	namespace {
diff --git a/src/btop_tools.hpp b/src/btop_tools.hpp
index bda89f2..705a5eb 100644
--- a/src/btop_tools.hpp
+++ b/src/btop_tools.hpp
@@ -406,7 +406,7 @@ namespace Tools {
 	//* Sets atomic<bool> to true on construct, sets to false on destruct
 	class atomic_lock {
 		atomic<bool>& atom;
-		bool not_true{}; // defaults to false
+		bool not_true{};
 	public:
 		atomic_lock(atomic<bool>& atom, bool wait = false);
 		~atomic_lock();
diff --git a/src/linux/btop_collect.cpp b/src/linux/btop_collect.cpp
index 677c3fe..0c1ab66 100644
--- a/src/linux/btop_collect.cpp
+++ b/src/linux/btop_collect.cpp
@@ -77,8 +77,8 @@ namespace Cpu {
 	vector<string> available_sensors = {"Auto"};
 	cpu_info current_cpu;
 	fs::path freq_path = "/sys/devices/system/cpu/cpufreq/policy0/scaling_cur_freq";
-	bool got_sensors{};     // defaults to false
-	bool cpu_temp_only{};   // defaults to false
+	bool got_sensors{};
+	bool cpu_temp_only{};
 
 	//* Populate found_sensors map
 	bool get_sensors();
@@ -92,9 +92,9 @@ namespace Cpu {
 	struct Sensor {
 		fs::path path;
 		string label;
-		int64_t temp{}; // defaults to 0
-		int64_t high{}; // defaults to 0
-		int64_t crit{}; // defaults to 0
+		int64_t temp{};
+		int64_t high{};
+		int64_t crit{};
 	};
 
 	std::unordered_map<string, Sensor> found_sensors;
@@ -542,14 +542,14 @@ namespace Cpu {
 	}
 
 	string get_cpuHz() {
-		static int failed{}; // defaults to 0
+		static int failed{};
 
 		if (failed > 4)
 			return ""s;
 
 		string cpuhz;
 		try {
-			double hz{}; // defaults to 0.0
+			double hz{};
 			//? Try to get freq from /sys/devices/system/cpu/cpufreq/policy first (faster)
 			if (not freq_path.empty()) {
 				hz = stod(readfile(freq_path, "0.0")) / 1000;
@@ -605,9 +605,9 @@ namespace Cpu {
 		//? Try to get core mapping from /proc/cpuinfo
 		ifstream cpuinfo(Shared::procPath / "cpuinfo");
 		if (cpuinfo.good()) {
-			int cpu{};  // defaults to 0
-			int core{}; // defaults to 0
-			int n{};    // defaults to 0
+			int cpu{};
+			int core{};
+			int n{};
 			for (string instr; cpuinfo >> instr;) {
 				if (instr == "processor") {
 					cpuinfo.ignore(SSmax, ':');
@@ -1508,10 +1508,10 @@ namespace Gpu {
 #endif
 
 namespace Mem {
-	bool has_swap{}; // defaults to false
+	bool has_swap{};
 	vector<string> fstab;
 	fs::file_time_type fstab_time;
-	int disk_ios{}; // defaults to 0
+	int disk_ios{};
 	vector<string> last_found;
 
 	//?* Find the filepath to the specified ZFS object's stat file
@@ -1999,10 +1999,10 @@ namespace Mem {
 		int64_t bytes_read;
 		int64_t bytes_write;
 		int64_t io_ticks;
-		int64_t bytes_read_total{};     // defaults to 0
-		int64_t bytes_write_total{};    // defaults to 0
-		int64_t io_ticks_total{};       // defaults to 0
-		int64_t objects_read{};         // defaults to 0
+		int64_t bytes_read_total{};
+		int64_t bytes_write_total{};
+		int64_t io_ticks_total{};
+		int64_t objects_read{};
 
 		// looking through all files that start with 'objset'
 		for (const auto& file: fs::directory_iterator(disk.stat)) {
@@ -2078,11 +2078,11 @@ namespace Net {
 	net_info empty_net = {};
 	vector<string> interfaces;
 	string selected_iface;
-	int errors{}; // defaults to 0
+	int errors{};
 	std::unordered_map<string, uint64_t> graph_max = { {"download", {}}, {"upload", {}} };
 	std::unordered_map<string, array<int, 2>> max_count = { {"download", {}}, {"upload", {}} };
 	bool rescale{true};
-	uint64_t timestamp{}; // defaults to 0
+	uint64_t timestamp{};
 
 	//* RAII wrapper for getifaddrs
 	class getifaddr_wrapper {
@@ -2171,7 +2171,7 @@ namespace Net {
 					auto& saved_stat = net.at(iface).stat.at(dir);
 					auto& bandwidth = net.at(iface).bandwidth.at(dir);
 
-					uint64_t val{}; // defaults to 0
+					uint64_t val{};
 					try { val = (uint64_t)stoull(readfile(sys_file, "0")); }
 					catch (const std::invalid_argument&) {}
 					catch (const std::out_of_range&) {}
@@ -2291,15 +2291,15 @@ namespace Proc {
 	std::unordered_map<string, string> uid_user;
 	string current_sort;
 	string current_filter;
-	bool current_rev{}; // defaults to false
+	bool current_rev{};
 
 	fs::file_time_type passwd_time;
 
 	uint64_t cputimes;
 	int collapse = -1, expand = -1;
-	uint64_t old_cputimes{};    // defaults to 0
-	atomic<int> numpids{};      // defaults to 0
-	int filter_found{};         // defaults to 0
+	uint64_t old_cputimes{};
+	atomic<int> numpids{};
+	int filter_found{};
 
 	detail_container detailed;
 	constexpr size_t KTHREADD = 2;
@@ -2431,7 +2431,7 @@ namespace Proc {
 		const int cmult = (per_core) ? Shared::coreCount : 1;
 		bool got_detailed = false;
 
-		static size_t proc_clear_count{}; // defaults to 0
+		static size_t proc_clear_count{};
 
 		//* Use pids from last update if only changing filter, sorting or tree options
 		if (no_update and not current_procs.empty()) {
@@ -2506,7 +2506,7 @@ namespace Proc {
 
 				//? Check if pid already exists in current_procs
 				auto find_old = rng::find(current_procs, pid, &proc_info::pid);
-				bool no_cache{}; // defaults to false
+				bool no_cache{};
 				if (find_old == current_procs.end()) {
 					current_procs.push_back({pid});
 					find_old = current_procs.end() - 1;