diff --git a/contrib/wix/guids.wxi b/contrib/wix/guids.wxi
--- a/contrib/wix/guids.wxi
+++ b/contrib/wix/guids.wxi
@@ -15,7 +15,7 @@
   <?define doc.style.css = {172F8262-98E0-4711-BD39-4DAE0D77EF05} ?>
 
   <!-- help.wxs -->
-  <?define helpFolder.guid = {870F98CE-5BC1-4396-9228-CEB234DFEC97} ?>
+  <?define helpFolder.guid = {21FE9CF9-933E-4C2E-B2EC-413A569FB996} ?>
   
   <!-- i18n.wxs -->
   <?define i18nFolder.guid = {EADFA693-A0B5-4f31-87C9-3997CFAC1B42} ?>
diff --git a/contrib/wix/help.wxs b/contrib/wix/help.wxs
--- a/contrib/wix/help.wxs
+++ b/contrib/wix/help.wxs
@@ -19,6 +19,7 @@
           <File Name="patterns.txt" />
           <File Name="revisions.txt" />
           <File Name="revsets.txt" />
+          <File Name="subrepos.txt" />
           <File Name="templates.txt" />
           <File Name="urls.txt" />
         </Component>