Article ID: 957308 - View products that this article applies to.
When you try to install updates from the Windows Update Web site or from the Microsoft Update Web site, you may receive the following error message:
To resolve this issue, download and install the latest version of the Windows Installer. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/942288/ )Windows Installer 4.5 is available