Update the Help Viewer
The HTML Help Installation and Update Package (Hhupd.exe) 1.32 will update HTML Help to the latest version, and can be freely redistributed. The 1.32 version of Hhupd.exe is available for the Intel platform only, and will work in all supported languages. Windows 2000 users should not run Hhupd.exe. For more information, see the Notes section of this page.
Download Hhupd.exe (716 KB) http://msdn.microsoft.com/library/en-us/htmlhelp/html/hhupd.exe