Figure 4-8. Choosing your computer's global defaults
If the uninstall process fails, you may be able to resolve the problem simply by rerunning the Uninstaller for the program. Occasionally, you may need to clean up after a failed uninstall. This may require removing program files and deleting remnants of the program in the Windows registry. A program called the Windows Installer Cleanup utility can help you clean up the registry. You'll find more information about the utility and the software for downloading online at the Microsoft Support website (http://support .microsoft.com/kb/290301).
Windows 7 will allow you to remove only programs that were installed with Windows-compatible setup programs. Programs designed for Windows 2000 and earlier releases of Windows may have a separate Uninstall utility. Some older programs work by copying their data files to a program folder; you would then uninstall the program by deleting the related folder.
After you uninstall a program, check the Program Files folder and other locations for data left behind either inadvertently or by design. Before deleting any remaining data, you should determine whether the files contain important data or custom user settings that could be used again if you reinstall the program.
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