diff --git a/src/gmc_con.erl b/src/gmc_con.erl
index 0a5a758..45d146a 100644
--- a/src/gmc_con.erl
+++ b/src/gmc_con.erl
@@ -11,7 +11,6 @@
 -behavior(gen_server).
 -export([start_stop/0, gajudesk/0]).
 -export([conf/0, conf/1]).
--export([bin_dir/0]).
 -export([network/0]).
 -export([start_link/0, stop/0]).
 -export([init/1, terminate/2, code_change/3,
@@ -27,7 +26,6 @@
         {version   = 1              :: integer(),
          window    = none           :: none | wx:wx_object(),
          network   = <<"mainnet">>  :: binary(), % <<"testnet">> | <<"mainnet">>
-         exec_dir  = platform_dir() :: file:filename(),
          acc       = none           :: none | binary(),
          keys      = []             :: [],
          max_cores = 2              :: pos_integer(),
@@ -70,12 +68,6 @@ conf(Info) ->
     gen_server:cast(?MODULE, {conf, Info}).
 
 
--spec bin_dir() -> file:filename().
-
-bin_dir() ->
-    gen_server:call(?MODULE, bin_dir).
-
-
 -spec network() -> mainnet | testnet | none.
 
 network() ->
@@ -109,7 +101,6 @@ start_link() ->
 
 init(none) ->
     ok = log(info, "Starting"),
-    _ = process_flag(sensitive, true),
     {Acc, Keys, Network, MaxCores, MaxMem} =
         case read_conf() of
             {ok, C} ->
@@ -125,29 +116,14 @@ init(none) ->
     {ok, start_gui(State)}.
 
 
-platform_dir() ->
-    #{deps := Deps} = zx_daemon:meta(),
-    AppID = lists:keyfind("cuckoo_cpu", 2, Deps),
-    Priv = filename:join(zx_lib:ppath(lib, AppID), "priv"),
-    Dir =
-        case os:type() of
-            {unix, linux} ->
-                "linux_x86_64";
-            {unix, darwin} ->
-                % TODO: Check M2 vs x86
-                "mac_m2";
-            {win32, nt} ->
-                "win_x86_64"
-        end,
-    filename:join(Priv, Dir).
-
 
 start_gui(State = #s{acc = none}) ->
     Window = gmc_gui:start_link(#{}),
     ok = gmc_gui:ask_conf(),
     State#s{window = Window};
-start_gui(State) ->
+start_gui(State = #s{acc = AccID}) ->
     Window = gmc_gui:start_link(#{}),
+    ok = gmc_gui:set_account(AccID),
     State#s{window = Window}.
 
 
@@ -156,8 +132,6 @@ start_gui(State) ->
 
 handle_call(network, _, State = #s{network = Network}) ->
     {reply, Network, State};
-handle_call(bin_dir, _, State = #s{exec_dir = BinDir}) ->
-    {reply, BinDir, State};
 handle_call(Unexpected, From, State) ->
     ok = log(warning, "Unexpected call from ~tp: ~tp~n", [From, Unexpected]),
     {noreply, State}.
@@ -221,7 +195,7 @@ do_stop() ->
 
 %%% Doers
 
-do_start_stop(#s{acc = PubKey, network = Network, max_mem = MaxMem}) ->
+do_start_stop(#s{acc = PubKey, keys = Keys, network = Network, max_cores = MaxCores, max_mem = MaxMem}) ->
     % smrt guy stuff happens here
     {Bits, Eureka} =
         case Network of
@@ -247,14 +221,15 @@ do_start_stop(#s{acc = PubKey, network = Network, max_mem = MaxMem}) ->
                     <<"testnet">> -> {"mean", "generic.exe"}
                 end
         end,
-    Miner = unicode:characters_to_binary([Fatness, Bits, "-", Type]),
-    Count = optimize_count(MaxMem),
+    Miner = filename:join(platform_dir(), unicode:characters_to_binary([Fatness, Bits, "-", Type])),
+    Count = optimize_count(MaxCores, MaxMem),
     Instance = #{<<"executable">> => Miner},
     Workers = lists:duplicate(Count, Instance),
     Profile =
-        [{pubkey,         PubKey},
-         {workers,        Workers},
-         {pool_admin_url, Eureka}],
+        [{pubkey,          PubKey},
+         {workers,         Workers},
+         {pool_admin_url,  Eureka},
+         {additional_keys, Keys}],
     ok = gmc_gui:message({notice, "Starting..."}),
     ok = gmc_gui:message({notice, ["Miner: ", Miner]}),
     {ok, Apps} = gmhc_app:start(Profile),
@@ -270,17 +245,41 @@ do_start_stop(#s{acc = PubKey, network = Network, max_mem = MaxMem}) ->
          disconnected],
     lists:foreach(fun gmhc_events:ensure_subscribed/1, Events).
 
-optimize_count(MaxMem) ->
+
+optimize_count(MaxC, MaxM) ->
+    MapSize = 3550722201,
+    MaxCores = max(1, MaxC),
+    MaxMem = max(MapSize, MaxM),
     {Procs, Memory} = proc_mem(),
-    MeanMaps = min(MaxMem, Memory) div 3550722201,
-    Recommended = max(min(Procs, MeanMaps) - 1, 1),
+    MeanMaps = min(MaxMem, Memory) div MapSize,
+    Recommended = min(MaxCores, max(min(Procs, MeanMaps) - 1, 1)),
     Notice = fun(F, A) -> gmc_gui:message({notice, io_lib:format(F, A)}) end,
     ok = Notice("Physical Processors: ~p", [Procs]),
     ok = Notice("Physical Memory: ~p", [Memory]),
+    ok = Notice("Max Processor Commit: ~p", [MaxCores]),
+    ok = Notice("Max Memory Commit: ~p", [MaxMem]),
     ok = Notice("29-bit Mean Map Space: ~p", [MeanMaps]),
     ok = Notice("Workers: ~p", [Recommended]),
     Recommended.
 
+
+platform_dir() ->
+    #{deps := Deps} = zx_daemon:meta(),
+    AppID = lists:keyfind("cuckoo_cpu", 2, Deps),
+    Priv = filename:join(zx_lib:ppath(lib, AppID), "priv"),
+    Dir =
+        case os:type() of
+            {unix, linux} ->
+                "linux_x86_64";
+            {unix, darwin} ->
+                % TODO: Check M2 vs x86
+                "mac_m2";
+            {win32, nt} ->
+                "win_x86_64"
+        end,
+    filename:join(Priv, Dir).
+
+
 proc_mem() ->
     case os:type() of
         {unix, linux} ->
@@ -334,7 +333,15 @@ run_gmc_conf(State) ->
 
 
 do_conf({Network, AccID, Keys, MaxCores, MaxMem}, State) ->
-    State#s{network = Network, acc = AccID, keys = Keys, max_cores = MaxCores, max_mem = MaxMem}.
+    ok = gmc_gui:set_account(AccID),
+    NewState =
+        State#s{network   = Network,
+                acc       = AccID,
+                keys      = Keys,
+                max_cores = MaxCores,
+                max_mem   = MaxMem},
+    ok = persist(NewState),
+    NewState.
 
 
 %%% Utils