Download Insight messages optimizing

on the page

http://security.symantec.com/sscv6/home.asp?langid=ie&venid=sym&plfid=23&pkj=DHXCQLVDKDNVRQQCZUF&bhcp=1

there are the link to:

 

 

after download is complete, I've executed this file and Norton Download Insight window appeared:

 

 

What for? If This file:

1) have a valid Symantec signature (this is sufficient indication of good-ware file, isn't it or not?)

2) it is Norton trusted (this is too - is sufficient indication of good-ware file, but may be cause of Symantec signature only, does not matter)

 

 

Let the Symantec trusted files to execute without constantly appearing Download Insight windows for every downloaded file.