The Enkoder protects email addresses by converting them into encrypted JavaScript code, hiding them from email-harvesting robots while revealing them to real people.

http://automaticlabs.com/products/enkoder/

Explanation of Error Codes Generated by Device Manager

http://support.microsoft.com/default.aspx?scid=http://support.microsoft.com:80/support/kb/articles/Q125/1/74.asp&NoWebContent=1