First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.

Use the following methods to identify any Windows Installer issues that may be causing problems when you install, uninstall, or update programs. Click Start , type cmd in the Search box or click Run then type cmd in the dialog (Windows XP or Windows Server 2003), and then press Enter to open a Command Prompt window.

This article describes how to use the Compatibility Administrator utility that is included in the latest Microsoft Application Compatibility Toolkit for Microsoft Windows. Compatibility Administrator is a tool that includes prepackaged fixes that provide an easy way to fix a program that may not run correctly under Windows.

Run the troubleshooter in Get Help. If the troubleshooter in Get Help app is unable to resolve your issue, select your specific problem from the Most common Windows Update problems section below and follow the provided steps. If your issue is not listed, try the possible solutions listed. Important:

Follow the download procedure that is used by your Internet service provider to download the file that you identified in step 1. Download the file to a disk or to a new folder. Locate the file in the folder that it was downloaded to, and then double-click the file to begin the installation process.

First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.

Software manufacturers can create the setup of their products to use Windows Installer to help make software installation, maintenance, and uninstallation straightforward and easy. Windows Installer 4.5 is released with Windows Vista Service Pack 2 (SP2) and Windows Server 2008 SP2.

To get the standalone package for this update, go to the Microsoft Update Catalog website. For information about how to download and install updates from the Update Catalog, see How to download updates that include drivers and hotfixes from the Windows Update Catalog. If you want to remove the LCU.

To request the hotfix package that applies to both Windows Vista and Windows Server 2008, just select the product that is listed on the page. To apply this hotfix, your computer must be running one of the following operating systems:

Installation media, such as a USB flash drive, can be used to install a new copy of Windows, perform a clean installation of Windows, or reinstall Windows. To create installation media, go to the software download website, where step-by-step instructions can be found.