Sql server 2005 express as a pre-requisite along with my winforms application setup gives error

I am installing sql server 2005 express as a pre-requisite along with my winforms application setup.
When I run-setup, set-up starts and after 2 or 3 minutes it gives error as follows

Problem Signature 01:            System.Data
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Problem Signature 06:            4bale064
Problem Signature 07:            2795
Problem Signature 08:            29
Problem Signature 09:            System.data.sqlclient.sql
Os Version                       6.1.7601.2.1.0.256.48
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