Index: /Users/mh/Documents/workspace/SC7.0/HTML/EN/settings/server/plugins.html
===================================================================
--- /Users/mh/Documents/workspace/SC7.0/HTML/EN/settings/server/plugins.html	(revision 17075)
+++ /Users/mh/Documents/workspace/SC7.0/HTML/EN/settings/server/plugins.html	(working copy)
@@ -10,6 +10,7 @@
 
 		[% name     = plugins.$plugin.name %]
 		[% version  = plugins.$plugin.version %]
+		[% enforce  = plugins.$plugin.enforce %]
 		[% settings = plugins.$plugin.optionsURL %]
 		[% enabled  = pluginState.$plugin %]
 
@@ -14,7 +15,7 @@
 		[% enabled  = pluginState.$plugin %]
 
 		[% title = BLOCK %]
-			<input name="[% name %]" type="checkbox" [% enabled ? "checked=\"checked\"" : "" %] class="pluginEnablerCheckbox"> [% name | getstring %]
+			<input name="[% name %]" type="checkbox" [% enforce ? "disabled" : "" %] [% enabled ? "checked=\"checked\"" : "" %] class="pluginEnablerCheckbox"> [% name | getstring %]
 		[% END %]
 
 		[% WRAPPER setting desc = plugins.$plugin.description %]
Index: /Users/mh/Documents/workspace/SC7.0/Slim/Plugin/Favorites/install.xml
===================================================================
--- /Users/mh/Documents/workspace/SC7.0/Slim/Plugin/Favorites/install.xml	(revision 17075)
+++ /Users/mh/Documents/workspace/SC7.0/Slim/Plugin/Favorites/install.xml	(working copy)
@@ -14,6 +14,7 @@
 	<homepageURL>http://www.slimdevices.com/</homepageURL>
 	<optionsURL>plugins/Favorites/settings/basic.html</optionsURL>
 	<type>2</type><!-- type=extension -->
+	<enforce>1</enforce>
 
 	<targetApplication>
 		<id>SqueezeCenter</id>
Index: /Users/mh/Documents/workspace/SC7.0/Slim/Utils/PluginManager.pm
===================================================================
--- /Users/mh/Documents/workspace/SC7.0/Slim/Utils/PluginManager.pm	(revision 17078)
+++ /Users/mh/Documents/workspace/SC7.0/Slim/Utils/PluginManager.pm	(working copy)
@@ -381,6 +381,13 @@
 
 		delete $manifest->{opType};
 
+
+		if ($manifest->{'enforce'}) {
+	
+			$log->debug("Enabling plugin: $name - must not be disabled");
+			$prefs->set($name, STATE_ENABLED);
+		}
+
 		if (defined $prefs->get($name) && $prefs->get($name) eq STATE_DISABLED) {
 
 			$log->warn("Skipping plugin: $name - disabled");
@@ -635,6 +642,11 @@
 	my $class  = shift;
 	my $plugin = shift;
 
+	if ($plugins->{$plugin}->{enforce}) {
+		$log->debug("Can't disable plugin: $plugin - 'enforce' set in install.xml");
+		return;
+	}
+
 	my $opType = $plugins->{$plugin}->{'opType'};
 
 	if ($opType eq OP_NEEDS_UNINSTALL) {