How do I remove Norton Anti-Virus

I purchased my MacPro Early 2008 used, and it had Norton Anti-Virus on it.  I deleted all the folders a number of months ago when I got repeated prompts on startup that the program needed to be upgraded, but apparently that did not uninstall it.  I just tried to use the RemoveSymantecMacFiles https://support.norton.com/sp/en/us/home/current/solutions/kb20080427024142EN_En dUserProfile_en_us, but it will not accept my admin password.  I'm guessing it wants the admin password of the previous owner, who I have no way of contacting.
Any suggestions for a work-around?  Apparently it is keeping Super Duper from being able to back up my Mac hard drive so I need to figure this out.

When you buy a machine used, if it comes with the previous owner's stuff on it, the first thing you need to do is erase the hard drive and start fresh. You don't need the hassle of working through all the problems someone else has created - especially someone who would install Norton on their Mac!
Although written from the seller's perspective, rather than the buyer's, this should help:
How to prepare your Mac for sale

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  • How do i uninstall norton anti virus?

    How do i uninstall norton antivirus

    Hello Pete,
    I also need to uninstall Norton. This statement is on the Norton support link that you provided above with a red alert symbol: "RemoveSymantecMacFiles removes all the folders created by Norton installers and any files within those folders. You shall lose all files that reside in those folders, including any you have created."  https://support.norton.com/sp/en/us/home/current/solutions/kb20080427024142EN_En dUserProfile_en_us
    Would you clarify what type of files that might be?
    In my great ignorance, I installed Norton a couple of years ago and ran occasional whole system scans; Norton Firewall and Phishing Protection were also enabled. Could some of my personal files have ended up in a Norton folder? (I did not have the Norton Identity Safe program or Norton Zone....not even sure what the Zone is).  I don't really want to search for and open Norton folders to check on files in case that would cause more problems. I went to the Norton Support site and Norton Forum, and didn't see an answer to my question. I didn't want to register for their forum unless absolutely necessary, but I am willing to do whatever research is needed. I did find this link from another Apple Support Community discussion but it doesn't say what type of personal files could be lost: http://www.macworld.com/article/1150466/uninstall_norton.html
    A related question: At this time, I only have TM backup. It was when I was was learning how to create a bootable clone with CCC that I learned that I shouldn't have installed Norton. (I'm "behind the times" and trying to catch up.) Should I totally uninstall Norton AV before downloading and running Carbon Copy Cloner?  Or since I have now "disabled" Norton's activity, is it ok to download and run CCC and then deal with the Norton. I read in another post that this Norton uninstall is not "trivial":
    https://discussions.apple.com/message/19283561#19283561
    Thank you so very much for any insight you can provide! 

  • How to uninstall norton anti virus for mac

    how to uninstall norton anti virus for mac

    A little late to the game, but .sit files are Stuffit files as developed by http://www.stuffit.com/ Apple used to use this compression format, but does no longer, and no longer includes the free Stuffit Expander program made by Stuffit.com. If you need to extract an old .sit uninstaller, get it from Stuffit.com. And also any company making such a program for Mac OS X should seriously consider upgrading their downloads to be .dmg.zip files instead, which are more easy to extract on Mac OS X without downloading extra software.

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    please help, i am being driven to distraction by the slow start up time of my laptop.
    I've only had it for a few weeks and don't use it for anything beyond producing word documents etc.
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    Hi guys
    I would like to add some words about my experience using the Symantec Norton Antivirus software.
    I have used this software 3 year long. It was great because it supports one of the best virus filtering options BUT it really slow downs the operating system.
    I didnt use it on with Vista preinstalled notebook but on Win XP and I have to say that the notebook boot process was halted for about 30sec-1min till the whole parts of Norton Antivirus software has started It was very annoying
    However, I switched to AntiVir. This is software described by marina4000 and Im really happy because the boot performance increased.
    So finally I would also recommend removing this Symantec Norton Antivirus software and to switch to the other free AntiVir software ;)
    Bye

  • How do I remove Norton Antivirus *after* I have installed Lion?

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  • How do I remove Norton Antivirus?

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    Message was edited by: sman02

    This should help get rid of it all.
    http://service1.symantec.com/SUPPORT/num.nsf/0/32a32f7274539a2288256c6b0078b851? OpenDocument

  • Norton Anti virus for OLD Mac.

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    Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
    I may receive some form of compensation, financial or otherwise, from my recommendation or link.

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