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My computer said I turned off Norton Anti-Virus.I did not turn it off and do not know how to turn it back on.

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Go to the setings of the anti virus and turn it on from there, click on the anti virus,check on the setup then turn on. if it doesnt work, go to control panel, click on the remove or change program option, uninstal it from there then reinstal another copy

Posted on May 18, 2008

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Is there a virus that can overide any anti virus product for instance Norton?


the problem with viruses are that they are being produced by hackers at a rate that keeps them ahead of anti-virus products like norton, and the rest
so if norton is not up to date or you have the wrong product ( norton has different levels of protection)it is a possibility that a virus can get through on the back of a e-mail or from face book ( anything that has a link is a potential virus )
from your description, I would be inclined to take it to a second authorized service agent for the laptop and get another opinion as to the problem as I don't think it is a virus but a faulty lap top hard drive ( retail shops seldom have fully qualified technicians for repairs )
remember that the best anti virus protection is you and if you get e-mails or face book messages out of the "blue" regardless of how real it looks , how inviting it is or how demanding it is , always treat it as dangerous and just delete it

Feb 08, 2017 | Norton Computers & Internet

Tip

How Norton Antivirus Works


Norton has traditional virus detection method like Signature base and Heuristics base detection, with anti-virus, anti-rootkit, anti-malware, anti-spyware etc. Symantec upgrade and releases new and more improved features with its every release. Signature based detection includes searching for knowing structure within executable code, however your computer can be infected with most new virus which signature is not known. In that case heuristics method can be use it can identify new viruses by variation of such code, in files. Malwares are very difficult to detect even for the most new anti-virus software. If you are using Norton Antivirus, you should update its data-base and virus definition every day, so that when you scan your computer, it can detect all possible threats. Some new features like SONAR, it examines the behaviour of applications to decide whether they are malicious. Various things are checked such as if the program create a desktop shortcut or create add/remove programs entry before determining the program is malicious.

Norton insight is a program that comes with the Norton 360. It improves the speed and quality of computer scan. It identifies well known files of client machine and excludes them from constant monitoring and scanning. It only scans unknown and unsecured files. Skipping the already known files helps the scan more impact.

Norton 360 introduced a very effective tool - Norton Power Eraser, it removes threats which standard anti-virus may miss. It cleans up system where malware prevents anti-virus installation. Apart from these, the key technologies of Norton anti-virus software are anti-virus, anti-spyware, anti-rootkit, and pulse-update - provides up-to-the-minute updates that protect against the latest threats without slowing down your computer, firewall software - that can use for mapping and monitoring network.

on Mar 17, 2011 | Computers & Internet

Tip

A Brief History of Norton Anti-virus


Norton anti-virus is a product of Symantec Corporation. Norton anti-virus helps you to remove viruses and malicious codes from your computer, it also protect you from online threats. Symantec programmed and launched various versions of Norton anti-virus to protect your pc and Internet Security to secure your online activities from hackers.

As per history of Norton products, it's about 25 years before Norton antivirus came on the market. The name of the first Norton anti-virus was Norton Commander, released in the year 1986, served as a standard interface for DOS. This version of Norton was invented to protect DOS from malicious programs. Norton Commander was a prototypical orthodox file manager, written by John Socha and released by Peter Norton.


Norton Commander is considered easy to use based on its constant view of two file manipulation objects at once. After starting the program the user sees two panels with file lists. Each panel can be easily configured to show information about the other panel, a directory tree, or a number of other options.


When Symantec acquired Peter Norton Computing from Peter Norton, Norton starts to develop various utilities or applications for DOS, as well as for Windows. Product activation was introduced in Norton anti-virus 2004. Spyware and adware detection and removal tool was introduced to the 2005 version. The redesign main graphical user interface and homepage hijacking protection was released with 2006 version of Norton anti-virus. With the version of 2007 windows 2000 compatibility was dropped and Vista compatibility was introduced, with anti-rootkit technology. Version 2009 and 2010 released with Sonar protection, File Insight, and rogue security software tools. The latest version of Norton anti-virus is 2011, which protect your computer being infected from facebook wall and feed.

on Mar 17, 2011 | Computers & Internet

1 Answer

In my computer trojan virus is there thats why my computer become very slow and mcafee antivirus is not opening


Uninstall all your anti-virus... including Norton and mcafee...
and install the free comodo anti-virus... Try, and let me know

Jan 21, 2011 | Symantec Norton 360 for PC (037648318846)

2 Answers

I have Problem with my comuter and my computer is very slow. And one more my computer have alot of Virus. How should I do if I want to my computer is better than?


Run the Norton Removal Tool to remove your Norton Anti Virus:

Norton Removal Tool

And then install Norton Anti Virus 2011 and activate it with your 2008 Product Key:

Norton Anti Virus 2011

When you say you have problems with a lot of Virus then install in safe mode and do there a full scan.

Sep 07, 2010 | Symantec Norton AntiVirus 2008: Windows

Tip

How Norton Anti-virus software work


<p>First you have to install any one anti-virus software and make it ready with online update, and then scan your computer with that anti-virus software. Reliable anti-virus software features a scanner equipped with the technology required to detect and eradicate viruses, worms and other members of the malware family.<br /> <p> <br> <p>Viruses have many strategies to infect your computer, like avoiding detection from protection software. To prevent these virus strategies and protect your computer anti-virus software also has some methods, like Norton anti-virus use Signature base and Heuristics-base detection. Signature based detection includes searching for knowing structure within executable code, however your computer can be infected with most new virus which signature is not known. In that case heuristics method can be used. It can identify new viruses by variation of such code, in files.<br> <p> <br> <p>Norton anti-virus has many other features, which it upgrades from version to version, like Sonar protection. SONAR examines the behaviour of applications to decide whether they are malicious. Various things are checked such as if the program create a desktop shortcut or create add/remove programs entry before determining the program is malicious. Another feature is Norton insight. It is a program that comes with the Norton 360. It improves the speed and quality of computer scan. It identifies well known files of client machine and excludes them from constant monitoring and scanning. It only scans unknown and unsecured files. Skipping the already known files helps the scan more impact. Symantec antivirus can interaction with rogue software, actually these type of software are nothing but a misleading program, it always rebranded and cloned of its previous version.<br> <p> <br> <p>Many other anti-viruses have features like anti-virus, anti-malware, anti-spyware which is used to detect and remove viruses from your computer, whenever you scan your pc with this anti-virus software.

on Mar 13, 2011 | Computers & Internet

Tip

Different types of Anti-virus software


<p>There are many different types companies, who create different anti-virus software. One of the most popular companies is Symantec Corporation. Symantec has its own products like Symantec Anti-virus, Symantec internet security, Symantec also have another anti-virus products called Norton. Symantec launched various versions of its products and till now, the latest version of Symantec Corporation is Norton Internet Security 2011. It's about 25 years before Norton antivirus came on the market. The name of the first Norton anti-virus was Norton Commander, released in the year 1986, served as a standard interface for DOS. This version of Norton was invented to protect DOS from malicious programs. Norton anti-virus can be listed as an oldest anti-virus program. The initial version of Norton commander was called vdos with a slandered interface for dos, for initial virus protection.<br /> <p> <br> <p>Compared to other anti-virus software, Norton provides in-built firewall software, e-mail scanner, anti-rootkit, and anti-spyware, anti-virus. Some newer options released like Sonar protection, file insight, threat insight, insight network etc. It is fast and compatible with vista like operating systems.<br> <p> <br> <p>Other popular companies are McAfee, which provides anti-virus, anti-spyware, firewall software like features and PC utilities, like QuickClean tool, defragmenter and file shredder, which lets you permanently delete sensitive files in a manner that they can't be recovered. Protection software is Kaspersky; it also provides anti-spyware, anti-virus and firewall software. One very unique feature of Kaspersky is the virtual keyboard; this small application lets you input sensitive information like credit card number, password in online without worrying about keyloggers or hackers.<br> <p> <br> <p>Many other anti-virus software have been uses, like ESENT Webrot, NOD32, QuickHeal, AVG, AVAST anti-virus etc. you can also download free versions of anti-virus from online. Whichever anti-virus you're using make sure one thing that you have to update it regularly to protect your computer.

on Mar 13, 2011 | Computers & Internet

1 Answer

I renewed my Norton but my computer keeps saying I did not renew and has turned off my protection.


Uninstall Norton. Restart.

Download the _free_ Microsoft anti-virus software:
http://www.microsoft.com/security_essentials
and install it.

Or, download the _free_ AVG anti-virus software:
http://free.avg.com
and install it.

Mar 03, 2010 | Symantec Norton 360 Version 3.0 Full...

1 Answer

Please completley remove the norton security from my computer...trying to run something comcst says you need to do something to rmove it...please do asap ...thank you


Go into Control Panel, then Add/Remove Programs. Wait for the list of all programs to load up.

Go down through the list and look for Norton Internet Security. Remove it. It will take a very long time, sometimes 1/2 hour or more depending on speed of computer. Reboot the computer after it has been removed, especially if/when it asks you to reboot after the process.

After rebooting, go back into Control Panel, Add/Remove Programs. Look for Symantec or Norton's Live Update, remove that as well. Also remove any other Symantec/Norton Anti-Virus or Internet Security programs as well. Then reboot the computer again.

Your computer should be much, much faster now. So now you need a new Anti-Virus program...

I've found in my experience that Norton and McAfee do more damage to some computers than good, besides the fact that they are severely over-priced. I would NEVER install either Norton (Symantec) or McAfee on anyone's computer. Matter of fact, I just had to remove Norton 2008 from a lady's computer today, an old Dell 2400 because her system was too old and slow to run new Norton.

My suggestions for much better anti-virus would be...

- Kaspersky Anti-Virus (search for it on Google, etc)

- Trend Micro PC-Cillin Anti-Virus (search for it on Google, etc)

- AVG Free Anti-Virus at http://free.grisoft.com, they also have more elaborate versions with more protection for a cost.

I personally use AVG on my computers, and my family does as well. It's very effective and gets out viruses that even Norton cannot remove.

Mar 12, 2008 | Computers & Internet

2 Answers

Driver


i think you have a damage/corrupted anti-virus dll (navprod.dll) norton anti-virus.

if you cannot enter your OS normaly try entering via safemode....and uninstall your norton anti-virus.

let me know if this fixed it.

Nov 16, 2007 | Computers & Internet

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