diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 0000000..d71fccd
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,8 @@
+Style/StringLiterals:
+  EnforcedStyle: double_quotes
+
+Metrics/MethodLength:
+  Max: 40
+
+Style/EmptyMethod:
+  EnforcedStyle: expanded
\ No newline at end of file
diff --git a/lib/dialogs/tacnet_dialog.rb b/lib/dialogs/tacnet_dialog.rb
index 24b7ae5..60b0b10 100644
--- a/lib/dialogs/tacnet_dialog.rb
+++ b/lib/dialogs/tacnet_dialog.rb
@@ -6,9 +6,9 @@ module TAC
         @titlebar.style.background = [ Palette::TACNET_PRIMARY, Palette::TACNET_SECONDARY ]
 
         background Gosu::Color::GRAY
-        label @options[:message]
+        label @options[:message], width: 1.0
 
-        @sound = Gosu::Sample.new(TAC::ROOT_PATH + "/media/error_alarm.ogg").play(1, 1, true)
+        @sound = Gosu::Sample.new("#{TAC::ROOT_PATH}/media/error_alarm.ogg").play(1, 1, true)
 
         button "Close", width: 1.0, margin_top: THEME_DIALOG_BUTTON_PADDING do
           close
diff --git a/lib/states/new_editor.rb b/lib/states/new_editor.rb
index 8533d35..9a4829a 100644
--- a/lib/states/new_editor.rb
+++ b/lib/states/new_editor.rb
@@ -40,7 +40,7 @@ class NewEditor < CyberarmEngine::GuiState
         end
 
         button get_image("#{TAC::ROOT_PATH}/media/icons/larger.png"), tip: "Maximize", image_height: 1.0 do |btn|
-          window.maximize
+          window.maximize if window.respond_to?(:maximize)
         end
 
         button get_image("#{TAC::ROOT_PATH}/media/icons/cross.png"), tip: "Exit", image_height: 1.0, **TAC::THEME_DANGER_BUTTON do
diff --git a/lib/tacnet.rb b/lib/tacnet.rb
index 2ba615e..c14d210 100644
--- a/lib/tacnet.rb
+++ b/lib/tacnet.rb
@@ -41,15 +41,15 @@ module TAC
         net_stats += "<b>Data Received:</b> #{client.data_received} bytes\n"
 
         "<b>Status:</b> #{_status}\n\n#{net_stats}"
-      elsif @connection && @connection.client && @connection.client.socket_error?
-        "<b>Status:</b> #{_status}\n\n#{@connection.client.last_socket_error.to_s.chars.each_slice(80).to_a.map { |c| c.join }.join("\n")}"
+      elsif @connection&.client && @connection.client.socket_error?
+        "<b>Status:</b> #{_status}\n\n#{@connection.client.last_socket_error.to_s}"
       else
         "<b>Status:</b> #{_status}"
       end
     end
 
     def connected?
-      @connection && @connection.connected?
+      @connection&.connected?
     end
 
     def close