Updated: August 2008
This warning is generated when you include prerequisites in your installer, but you do not include Windows Installer as one of the prerequisites. If the target computer does not have the correct version of Windows Installer, your installer will not work correctly. Select Windows Installer as a prerequisite so your deployment package installs the correct version before attempting to install the solution.
To correct the error, select the correct version of Windows Installer in the Prerequisites dialog box.
To correct this error for ClickOnce deployment
Right-click the project in Solution Explorer, and then click Properties.
On the Publish tab, click Prerequisites.
In the Prerequisites dialog box, select the check box for Windows Installer 3.1.
To correct this error for Windows Installer deployment
Right-click the setup project in Solution Explorer, and then click Properties.
Click Prerequisites.
In the Prerequisites dialog box, select the check box for Windows Installer 3.1.

See Also
Tasks
Reference
Other Resources

Change History
Date
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History
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Reason
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August 2008
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Added separate steps for ClickOnce and Windows Installer.
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Customer feedback.
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July 2008
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Corrected steps to resolve the error.
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Customer feedback.
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