Threat in good and reputed website

I was just searching some plugins for winamp for my friend..i do not use winamp. but for my friend was just searching some cool plugins for winamp and what i discoverd is when i try to  download some plugin norton warns me and blocks the threat.. the site is well reputed though... have a look guys...try o download and see...thank god i have Norton...i was escaped!!

 

http://www.winamp.com/plugins/details/221551

http://www.winamp.com/plugins/details/221939

 

Report from safeweb.

http://safeweb.norton.com/report/show?url=nullsoft.com

 

I think Symantec should tell this nullsoft.inc to stop spreading threats