diff --git a/.github/workflows/build-tebako.yml b/.github/workflows/build-tebako.yml
new file mode 100644
index 0000000..61c23b0
--- /dev/null
+++ b/.github/workflows/build-tebako.yml
@@ -0,0 +1,47 @@
+name: Build Launcher Binary
+
+on:
+  push:
+    branches: [ master, test ]
+  workflow_dispatch:
+
+jobs:
+  build-tebako:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        architecture: [x64]
+    container:
+      image: ghcr.io/tamatebako/tebako-ubuntu-20.04:latest
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Gosu and native dependencies
+        run: |
+          apt-get update
+          apt-get install -y libsdl2-dev libgl1-mesa-dev libopenal-dev libgmp-dev libfontconfig1-dev libsndfile1-dev libmpg123-dev libpango1.0-dev libtool libssl-dev libffi-dev
+
+      - name: Update Bundler and lockfile
+        run: |
+          gem install bundler -v 2.4.22
+          bundle _2.4.22_ lock --update --bundler
+
+      - name: Build Tebako binary
+        run: |
+          tebako press -P -R 3.4.1 -m bundle -o w3d_hub_linux_launcher -r $PWD -e w3d_hub_linux_launcher.rb
+
+      - name: Prepare artifact directory
+        run: |
+          mkdir w3d-hub-launcher-x86_64
+          cp w3d_hub_linux_launcher w3d-hub-launcher-x86_64/
+          cp -r media w3d-hub-launcher-x86_64/
+          cp -r locales w3d-hub-launcher-x86_64/
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: w3d-hub-launcher-x86_64
+          path: w3d-hub-launcher-x86_64
diff --git a/lib/api.rb b/lib/api.rb
index ca2f931..3d7701a 100644
--- a/lib/api.rb
+++ b/lib/api.rb
@@ -1,5 +1,19 @@
 class W3DHub
   class Api
+
+    # Detect CA bundle path for Excon
+    def self.ca_bundle_path
+      redhat_path = '/etc/pki/tls/certs/ca-bundle.crt'
+      debian_path = '/etc/ssl/certs/ca-certificates.crt'
+      [redhat_path, debian_path].find { |path| File.exist?(path) }
+    end
+
+    # Set Excon default CA file if found
+    ca_file = ca_bundle_path
+    if ca_file
+      Excon.defaults[:ssl_ca_file] = ca_file
+    end
+    
     LOG_TAG = "W3DHub::Api".freeze
 
     API_TIMEOUT = 30 # seconds
diff --git a/lib/asterisk/irc_client.rb b/lib/asterisk/irc_client.rb
index 5f2dafd..0c7541a 100644
--- a/lib/asterisk/irc_client.rb
+++ b/lib/asterisk/irc_client.rb
@@ -10,6 +10,15 @@ class W3DHub
       TAG = "IRCClient"
 
       class SSL
+        # Detect system CA bundle path for SSL verification
+        def self.ca_bundle_path
+          [
+            '/etc/ssl/certs/ca-certificates.crt',      # Debian/Ubuntu
+            '/etc/pki/tls/certs/ca-bundle.crt',        # RHEL/Fedora/CentOS
+            '/etc/ssl/ca-bundle.pem'                   # Some other distros
+          ].find { |path| File.exist?(path) }
+        end
+
         def self.default_context
           verify_peer_and_hostname
         end
@@ -23,7 +32,13 @@ class W3DHub
         def self.verify_peer
           no_verify.tap do |context|
             context.verify_mode = OpenSSL::SSL::VERIFY_PEER
-            context.cert_store = OpenSSL::X509::Store.new.tap(&:set_default_paths)
+            context.cert_store = OpenSSL::X509::Store.new
+            ca_file = ca_bundle_path
+            if ca_file
+              context.cert_store.add_file(ca_file)
+            else
+              context.cert_store.set_default_paths
+            end
           end
         end
 
diff --git a/lib/pages/community.rb b/lib/pages/community.rb
index 926e64a..4ae3fdd 100644
--- a/lib/pages/community.rb
+++ b/lib/pages/community.rb
@@ -161,7 +161,13 @@ class W3DHub
               flow(width: 1.0, max_width: 1230, height: 200, margin: 8, border_thickness: 1, border_color: lighten(Gosu::Color.new(0xff_252525))) do
                 background 0x44_000000
 
-                image image_path, height: 1.0
+                # Ensure the image file exists before trying to load it
+                if File.exist?(image_path)
+                  image image_path, height: 1.0
+                else
+                  logger.warn("W3DHub::Community") { "Image not found in cache: #{image_path}" }
+                  image BLACK_IMAGE, height: 1.0
+                end
 
                 stack(fill: true, height: 1.0, padding: 4, border_thickness_left: 1, border_color_left: lighten(Gosu::Color.new(0xff_252525))) do
                   tagline "<b>#{item.title}</b>", width: 1.0
diff --git a/lib/pages/settings.rb b/lib/pages/settings.rb
index 3fd0049..d93bc8b 100644
--- a/lib/pages/settings.rb
+++ b/lib/pages/settings.rb
@@ -84,7 +84,7 @@ class W3DHub
         when "es"
           "Español"
         else
-          raise "Unknown language error"
+          logger.warn("W3DHub::Settings") { "Unknown language code: #{string.inspect}" }
         end
       end
 
diff --git a/w3d_hub_linux_launcher.rb b/w3d_hub_linux_launcher.rb
index 622b8ad..695f0fb 100644
--- a/w3d_hub_linux_launcher.rb
+++ b/w3d_hub_linux_launcher.rb
@@ -20,12 +20,19 @@ class W3DHub
   W3DHUB_DEBUG = ARGV.join.include?("--debug")
   W3DHUB_DEVELOPER = ARGV.join.include?("--developer")
 
-  GAME_ROOT_PATH = File.expand_path(".", __dir__)
+  # Use the real working directory as the root for runtime data/logs
+  GAME_ROOT_PATH = Dir.pwd
+
   CACHE_PATH = "#{GAME_ROOT_PATH}/data/cache"
+  LOGS_PATH = "#{GAME_ROOT_PATH}/data/logs"
   SETTINGS_FILE_PATH = "#{GAME_ROOT_PATH}/data/settings.json"
   APPLICATIONS_CACHE_FILE_PATH = "#{GAME_ROOT_PATH}/data/applications_cache.json"
 
-  LOGGER = Logger.new("#{GAME_ROOT_PATH}/data/logs/w3d_hub_linux_launcher.log", "daily")
+  # Ensure data/cache and data/logs exist
+  FileUtils.mkdir_p(CACHE_PATH) unless Dir.exist?(CACHE_PATH)
+  FileUtils.mkdir_p(LOGS_PATH) unless Dir.exist?(LOGS_PATH)
+
+  LOGGER = Logger.new("#{LOGS_PATH}/w3d_hub_linux_launcher.log", "daily")
   LOGGER.level = Logger::Severity::DEBUG # W3DHUB_DEBUG ? Logger::Severity::DEBUG : Logger::Severity::WARN
 
   LOG_TAG = "W3DHubLinuxLauncher"