Change the "Disable outdated plug-ins" lab to block them instead.

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- This file contains definitions of resources that will be translated for
 each locale. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/generated_resources.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 4066 matching lines @@
       <message name="IDS_FLAGS_REMOTING_NAME" desc="Description of the 'Remoting' lab.">
         Remoting
       </message>
       <message name="IDS_FLAGS_REMOTING_CLIENT_DESCRIPTION" desc="Description of the 'Remoting' client lab.">
         Enable Remoting Client support.
       </message>
       <message name="IDS_FLAGS_REMOTING_HOST_DESCRIPTION" desc="Description of the 'Remoting' host lab.">
         Enable Remoting Host support.
       </message>
       <message name="IDS_FLAGS_DISABLE_OUTDATED_PLUGINS_NAME" desc="Name of the 'Disable outdated plug-ins' lab">
-        Disable outdated plug-ins
+        Block outdated plug-ins
       </message>
       <message name="IDS_FLAGS_DISABLE_OUTDATED_PLUGINS_DESCRIPTION" desc="Description of the 'Disable outdated plug-ins' lab">
-        Automatically disables plug-ins with known security vulnerabilities and offers update links for them.
+        Automatically blocks plug-ins with known security vulnerabilities from running and offers update links for them.
       </message>
       <message name="IDS_FLAGS_ENABLE_NACL_NAME" desc="Description of the 'Enable Native Client' lab.">
         Native Client
       </message>
       <message name="IDS_FLAGS_ENABLE_NACL_DESCRIPTION" desc="Description of the 'Enable Native Client' lab.">
         Enable support for Native Client.
       </message>
       <message name="IDS_FLAGS_XSS_AUDITOR_NAME" desc="Description of the 'XSS Auditor' lab.">
         XSS Auditor
       </message>
@@ skipping 179 matching lines @@
         http://www.google.com/support/chrome/bin/answer.py?answer=1093113&amp;topic=21605&amp;hl=[GRITLANGCODE]&amp;n=<ph name="NAME">$1<ex>Hash</ex></ph>&amp;l=<ph name="LOCATION">$2<ex>Hash</ex></ph>&amp;d=<ph name="DESC">$3<ex>Hash</ex></ph>&amp;s=<ph name="SIGNER">$4<ex>Hash</ex></ph>
       </message>
 
       <!-- Click to play -->
       <message name="IDS_PLUGIN_LOAD" desc="The link for loading a blocked plug-in, displayed in the click to play UI.">
         Click to run this plug-in
       </message>
       <message name="IDS_PLUGIN_UPDATE" desc="The link for updating an outdated plug-in.">
         Update plug-in...
       </message>
-      <message name="IDS_PLUGIN_BLOCKED" desc="The placeholder text for an outdated disabled plug-in.">
+      <message name="IDS_PLUGIN_BLOCKED" desc="The placeholder text for a blocked disabled plug-in.">
         Plug-in not allowed.
       </message>
       <message name="IDS_PLUGIN_OUTDATED" desc="The placeholder text for an outdated disabled plug-in.">
         The <ph name="PLUGIN_NAME">$1<ex>Flash</ex></ph> plug-in is out of date.
       </message>
 
       <!-- Session Crashed Info Bar-->
       <message name="IDS_SESSION_CRASHED_VIEW_RESTORE_BUTTON" desc="Title of the restore button in the session crashed view.">
         Restore
       </message>
@@ skipping 3455 matching lines @@
       <message name="IDS_PLUGININSTALLER_MISSINGPLUGIN_PROMPT" desc="Info Bar message to prompt installing missing plugin">
         An additional plug-in is required to display some elements on this page.
       </message>
       <message name="IDS_PLUGININSTALLER_INSTALLPLUGIN_BUTTON" desc="Info Bar button to install missing plugin">
         Install plug-in...
       </message>
       <message name="IDS_PLUGININSTALLER_PROBLEMSINSTALLING" desc="Infobar text for link to help center">
         Problems installing?
       </message>
       <message name="IDS_PLUGIN_OUTDATED_PROMPT" desc="Info Bar message when an outdated plugin was disabled">
-        The <ph name="PLUGIN_NAME">$1<ex>Flash</ex></ph> plug-in was disabled because it is out of date.
+        The <ph name="PLUGIN_NAME">$1<ex>Flash</ex></ph> plug-in was blocked because it is out of date.
       </message>
-      <message name="IDS_PLUGIN_ENABLE_TEMPORARILY" desc="Info Bar button to temporarily re-enable a disabled plugin">
-        Re-enable...
+      <message name="IDS_PLUGIN_ENABLE_TEMPORARILY" desc="Info Bar button to run a blocked outdated plugin">
+        Run this time
       </message>
       <message name="IDS_PLUGIN_CRASHED_PROMPT" desc="Info Bar message to notify about a crashed plugin">
         The following plug-in has crashed: <ph name="PLUGIN_NAME">$1<ex>Shockwave</ex></ph>
       </message>
       <message name="IDS_WEBWORKER_CRASHED_PROMPT" desc="Info Bar message to notify about a crashed WebWorker">
         A part of this page (HTML WebWorker) has crashed, so it might not function correctly.
       </message>
 
       <message name="IDS_JS_OUT_OF_MEMORY_PROMPT" desc="Info Bar message to notify JS out of memory">
         Script on the page used too much memory. Reload to enable scripts again.
@@ skipping 3530 matching lines @@
 
     </messages>
 
     <structures fallback_to_english="true">
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
 
   </release>
 </grit>