While I never have read such a shortened name for that product, NIS is one such shortname. When posting about such, I've learned to spell it out the first time so that all know your short name.
http://reviews.cnet.com/5208-6132-0.html?forumID=32&threadID=36157&messageID=420153&tag= notes links to NIS remvoval for Windows 98/ME and the article links to Windows 2000/XP removal links at Symantec.
I used our FORUM SEARCH to find this prior discussion.
I' trying to uninstall N. I.Net security.
NAV was successfuly removed (I was using bothand this was my mistake).