If you have been advised by technology services or believe that you are infected with Klez please visit the following link and follow the removal instructions.

http://securityresponse.symantec.com/avcenter/venc/
data/w32.klez.removal.tool.html

It is highly recommended that you read and follow the instructions that come with the removal tool above. 

However if wish to run the tool without the instructions you can obtain it at http://securityresponse.symantec.com/avcenter/FixKlez.com

Once you have ran the removal tool you will have to reinstall Norton Antivirus.  You can obtain the Norton AntiVirus software free of charge at http://security.loyola.edu/NAV732.exe

If you receive this or a similar message, do not open the attachment even if it appears to come from someone you know.  Delete the message from your Mail Box and empty it from your trash.  There is a current virus definition on the Norton virus definition site for this worm.  Please take time to update your virus definitions and scan your computer regularly.