Why does Norton object?

While trying to upgrade my Flash Player:    Quote:

Malicious Web Site Blocked

You attempted to access: 

http://get.adobe.com/flashplayer/download/?installer=Flash_Player_11_f or_Other_Browsers&os=Vista&browser_type=Gecko&browser_dist=Firefox&d=M cAfee_Security_Scan_Plus_FireFox_Browser&dualoffer=false

  This is a known malicious web site. It is recommended that you do NOT visit this site. The detailed report explains the security risks on this site.

For your protection, this web site has been blocked. Visit Symantec to learn more about phishing and internet security.

It looks like the correct site.  Comments???