diff --git a/Gemfile b/Gemfile
index 89963ac..d60d4a0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,4 +3,5 @@ source "https://rubygems.org"
 gem "cyberarm_engine"
 gem "launchy"
 gem "i18n"
+gem "rexml"
 # gem "async-websocket"
diff --git a/Gemfile.lock b/Gemfile.lock
index 6be255f..2e4a628 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,6 +4,7 @@ GEM
     addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     clipboard (1.3.6)
+    concurrent-ruby (1.1.9)
     cyberarm_engine (0.19.1)
       clipboard (~> 1.3.5)
       excon (~> 0.78.0)
@@ -12,9 +13,12 @@ GEM
     excon (0.78.1)
     gosu (1.2.0)
     gosu_more_drawables (0.3.1)
+    i18n (1.8.11)
+      concurrent-ruby (~> 1.0)
     launchy (2.5.0)
       addressable (~> 2.7)
     public_suffix (4.0.6)
+    rexml (3.2.5)
 
 PLATFORMS
   x64-mingw32
@@ -22,7 +26,9 @@ PLATFORMS
 
 DEPENDENCIES
   cyberarm_engine
+  i18n
   launchy
+  rexml
 
 BUNDLED WITH
    2.2.28
diff --git a/lib/application_manager/tasks/repairer.rb b/lib/application_manager/tasks/repairer.rb
index fe4ba54..c43ee61 100644
--- a/lib/application_manager/tasks/repairer.rb
+++ b/lib/application_manager/tasks/repairer.rb
@@ -1,6 +1,19 @@
 class W3DHub
   class ApplicationManager
     class Repairer < Task
+      def type
+        :repairer
+      end
+
+      def exec_task
+        # fetch manifests
+        # load manifests
+        # run presence and checksum checks
+        # extract and re/place broken/missing files
+        #   if a large number of files are missing from a single package
+        #     simply reextract the whole thing
+        # mark application as installed/repaired
+      end
     end
   end
 end
\ No newline at end of file
diff --git a/lib/application_manager/tasks/uninstaller.rb b/lib/application_manager/tasks/uninstaller.rb
index 4fa24e3..cd915b3 100644
--- a/lib/application_manager/tasks/uninstaller.rb
+++ b/lib/application_manager/tasks/uninstaller.rb
@@ -1,6 +1,21 @@
 class W3DHub
   class ApplicationManager
     class Uninstaller < Task
+      def type
+        :uninstaller
+      end
+
+      def exec_task
+        # TODO: cherrypick or nuke installation folder
+        # A:
+        #   fetch manifests
+        #   load manifests
+        #   build list of files
+        #   delete list of files
+        # B:
+        #   Nuke installation folder
+        # mark application as uninstalled
+      end
     end
   end
 end
\ No newline at end of file
diff --git a/lib/application_manager/tasks/updater.rb b/lib/application_manager/tasks/updater.rb
new file mode 100644
index 0000000..10a7ae7
--- /dev/null
+++ b/lib/application_manager/tasks/updater.rb
@@ -0,0 +1,19 @@
+class W3DHub
+  class ApplicationManager
+    class Updater < Task
+      def type
+        :updater
+      end
+
+      def exec_task
+        # Fetch manifests
+        # Load manifests
+        # build file list
+        # find new packages
+        # unpack new packages
+        # TODO: detect patch files and handle them
+        # update installed game version
+      end
+    end
+  end
+end
diff --git a/w3dhub.rb b/w3dhub.rb
index 9c3c65b..4f44059 100644
--- a/w3dhub.rb
+++ b/w3dhub.rb
@@ -12,7 +12,6 @@ require "rexml"
 
 require "i18n"
 require "launchy"
-require "zip"
 
 I18n.load_path << Dir[File.expand_path("locales") + "/*.yml"]
 I18n.default_locale = :en