by David Hakala

Sometimes, you will get an error message saying that there is a problem with Windows Installer, or that Windows Installer cannot open an installation package of software. Here is some background on Windows Installer and steps you can take to remedy such problems, you may be able to “repair” it using one of these methods.

Windows Installer is a component of Microsoft Windows that allows software developers to configure installation packages that are easy for users to set up. Several versions of Windows Installer are available, the latest being 3.1+. To see which version of Windows Installer you have,
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Windows Installer Service Could Not Be Accessed

in Windows

If you get a Windows Installer error in Windows XP, you can manually reregister it or replace Installer with a “fresh” copy.

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