Unfortuanately erroe 1603 is shorthand for "the install completely failed
and I don't know why". The MSI team is trying to improve this - see if this
helps (the link to the kb article is here):
http://blogs.msdn.com/windows_installer_team/archive/2008/01/18/request-for-sugg
estions-for-updating-the-1603-kb-article.aspx

Signature
Phil Wilson
[Microsoft MVP-Windows Installer]
>
> Hi
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>
> How do i resolve this error?