Are you sure that it's right file? The "Noiseeng" is for English UK. The "Noiseenu" is for English US.
It's also reciomended to use ALTER FULLTEXT INDEX statement instead of system sprocs.

ALTER FULLTEXT INDEX ON table_name STOP POPULATION
... Change noise file
ALTER FULLTEXT INDEX ON table_name START FULL POPULATION 

>I'm getting Informational: The full-text search condition contained noise word(s).
>the word is "with"
>I have removed it from "C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\FTData\noiseENG.txt" and
>ran "exec sp_fulltext_table 'products', 'start_full'"
>but still getting the same message.
>I renamed the "noiseENG.txt" file and reran "exec sp_fulltext_table 'products', 'start_full'" still same result.
>