Microsoft has released security bulletin MS09-062. To view the complete security bulletin, visit one of the following Microsoft Web sites:

• Home users:
  http://www.microsoft.com/security/updates/bulletins/200910.aspx (http://www.microsoft.com/security/updates/bulletins/200910.aspx)
  Skip the details: Download the updates for your home computer or laptop from the Microsoft Update Web site now:
  http://update.microsoft.com/microsoftupdate (http://update.microsoft.com/microsoftupdate/)
• IT professionals:
  http://www.microsoft.com/technet/security/bulletin/ms09-062.mspx (http://www.microsoft.com/technet/security/bulletin/ms09-062.mspx)

How to obtain help and support for this security update

For home users, no-charge support is available by calling 1-866-PCSAFETY in the United States and Canada or by contacting your local Microsoft subsidiary. For more information about how to contact your local Microsoft subsidiary for support issues with security updates, visit the Microsoft International Support Web site: North American customers can also obtain instant access to unlimited no-charge e-mail support or to unlimited individual chat support by visiting the following Microsoft Web site: For enterprise customers, support for security updates is available through your usual support contacts.

Prerequisites to install this security update

To install this security update, you must have Windows Installer 3.1 or a later version installed on the computer. To obtain the latest version of Windows Installer for the computer, visit the following Microsoft Web site:

Security update replacement information

This security update supersedes security update 947742 (security bulletin MS08-052). For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Update removal information

After you install this update, you can uninstall it by using the Add or Remove Programs item in Control Panel.

Command-line switches for this update

You can find information about the various command-line switches that this update supports in security bulletin MS09-062 and on the following MSDN Web site: For more information about Windows Installer, visit the following MSDN Web site:

Known issues

For more information about installation issues with this update, click the following article numbers to view the articles in the Microsoft Knowledge Base:

The English (United States) version of this security update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.