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I am using web setup project. I want to rollback the installation from custom action (here i mean custom action is windows application. During installation time i am calling windows application) how to rollback the installation in web setup project?

I added throw new InstallException.

Its working fine. But some more error message alos appended and display. But i dont want to show any extra error message except my message. So how to control?
Updated 12-Jan-12 18:49pm

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