Allow updates to user-level products when system-level products are present.

chrome/app/chromium_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 <!-- This file contains definitions of strings that are distribution specific.
 These strings will not be translated and only english versions will
 be available for now. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/chromium_strings.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 357 matching lines @@
       </message>
       <message name="IDS_INSTALL_HIGHER_VERSION" desc="Error displayed when higher version already exists.">
         This computer already has a more recent version of Chromium. If the software is not working, please uninstall Chromium and try again.
       </message>
       <message name="IDS_INSTALL_HIGHER_VERSION_CF" desc="Error displayed when higher version already exists.">
         This computer already has a more recent version of Chromium Frame. If the software is not working, please uninstall Chromium Frame and try again.
       </message>
       <message name="IDS_INSTALL_HIGHER_VERSION_CB_CF" desc="Error displayed when higher version of Chromium and Chromium Frame already exists">
         This computer already has a more recent version of Chromium and Chromium Frame. If the software is not working, please uninstall both Chromium and Chromium Frame and try again.
       </message>
-      <message name="IDS_INSTALL_SYSTEM_LEVEL_EXISTS" desc="Error displayed during user level install if system level Chromium is already installed.">
-        Chromium is already installed and available to all users of this computer. If you want to install Chromium at the user level, you must first uninstall the system-level version installed by an administrator.
+      <message name="IDS_INSTALL_SYSTEM_LEVEL_EXISTS" desc="Error displayed during user level install if system level Chromium Frame is already installed.">
+        Chromium Frame is already installed and available to all users of this computer. If you want to install Chromium Frame at the user level, you must first uninstall the system-level version installed by an administrator.
       </message>
       <message name="IDS_INSTALL_FAILED" desc="Error displayed if installation fails due to some unknown error.">
         Installation failed due to unspecified error. If Chromium is currently running, please close it and try again.
       </message>
       <message name="IDS_SAME_VERSION_REPAIR_FAILED" desc="Error displayed if installation fails due to Chrome running.">
         Can not install the same Chromium version that is currently running. Please close Chromium and try again.
       </message>
       <message name="IDS_SAME_VERSION_REPAIR_FAILED_CF" desc="Error displayed if installation fails due to Chrome running.">
         Can not install the same Chromium Frame version that is currently running. Please close Chromium Frame and try again.
       </message>
@@ skipping 150 matching lines @@
         <message name="IDS_UTILITY_APP_NAME" desc="The utility application's name.  Should contain the Chrome application name (IDS_PRODUCT_NAME). Example: Google Chrome Utility.">
           Chromium Utility
         </message>
         <message name="IDS_SHORT_UTILITY_APP_NAME" desc="The utility application's short name, used for the Mac's application menu, activity monitor, etc. Example: Chrome Utility, not Google Chrome Utility.">
           Chromium Utility
         </message>
       </if>
     </messages>
   </release>
 </grit>