Norton Antivirus interfering with computer speed.

run the symantec norton removal tool (symnrt) provided by symantec.
(Over the years it has been changed several times from rnis/rnav/symnrt/...)
http://service1.symantec.com/SUPPORT/tsg...
the program you really want to uninstall is live update, make note of any programs running on your computer and you can uninstall it from the add/remove programs list.
It should be noted that the norton removal tool still leaves some registry entries about your activation status but it is the most complete way to remove symantec products.
I recommend a corporate client antivirus solution such as installing the client version of the norton antivirus corporate or client version of mcafee's corporate version since corporate clients are by far the most unintrusive antivirus solutions, they're designed to run in a way that you shouldn't notice they're there. if you cannot get a hold of one of these, try either:
Norton Antivirus, (for prosperity, norton belongs on any antivirus list)
Mcafee antivirus,
Panda Antivirus,
Kapersky,
Trend Micro
(avgfree, webroot both suck)
try to stick with the antivirus solutions only as the internet security package is usually more that what you're bargaining for and is probably the reason why you want to uninstall norton. You should note that McAfee and Norton are considered by most to be the best on the market and that most hate one and love the other.
anyway, you can view a comparison here:
http://www.download.com/Antivirus/3150-2...

Just to add to what Oracle has said but based on my experiences.

I have found Norton interferes in more ways that one. You may also find problems with office applications and odbc. I never recommend Norton to anyone, instead I go for the very good freebie solutions.

The alternative to using the removal tool is the manual way which is described here
http://www.askdavetaylor.com/how_can_i_f...


Regarding MacAfee, I found that the coporate version is excellent, but home version is average.
For home versions, the best I have found is AVG and Avast.

I have used Kaspersky before and had a few issues with it. I guess people experience different things using antivirus due to their machine config - just a guess as I found some people like Kaspersky/Norton.

If you want antispyware, then AVG also offer a freebie. I used to use this but am now using spyware doctor. One of the best though that I have used has been adware away.

For firewalls, well that depends if you want a software firewall or not. I have a router which has its hardware firewall but for software I like Sygate. I have used ZoneAlarm but had problems with their vector engine or whatever its called.

My recommendation is perhaps to trial the antivirus to find the one that suits you best. Always remember just to have one antivirus installed at any one time else you may not be able to get into windows!

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