Uninstall Norton and switch to free protection instead.
How to Fully Remove Norton 2004 and newer
http://www.bleepingcomputer.com/forums/topic42247.html
Norton anti virus uninstall guidelines!
http://forums.techguy.org/security/566663-norton-anti-virus-uninstall-guidelines.html
Download and run the Norton Removal Tool
http://service1.symantec.com/SUPPORT/tsgeninfo.nsf/docid/2005033108162039
Use the Norton Removal Tool to remove a failed installation or a damaged Norton product.
========================
Purchased Active (full time) Virus Protection
NOD32 is said to use the least system resources.
http://reviews.cnet.com
User Rating out of 10
Avast Antivirus 4.7 Home Edition....8.6
AVG Anti-Virus 7.5 Professional..... 9.1
BitDefender Antivirus 10 ...............5.2
CA Internet Security Suite 2007.......2.5
F-Secure .......................no user ratings
Kaspersky Anti-Virus 6 ....................5.8
McAfee VirusScan 8.0...................... 5.0
NOD32 2.5...................................... 9.1
Norton Internet Security 2007.......... 3.8
Norton 360 ----------- 5.8
Sophos Anti-Virus 3.7...................... 8.6
Windows Live OneCare ..................8.0
ZoneAlarm Internet Security Suite 7 ... 5.2
==============================
Free protection
In addition to a firewall you must have full time (active) virus protection and full time spyware protection.
All the following programs are free.
---------------------------------------------
Full Time (Active) Virus Protection
If you do not have active virus protection, install only one. All are excellent.
Try AVG first.
AVG Antivirus 7.5 Free Edition
http://free.grisoft.com/freeweb.php/doc/avg-anti-virus-free/lng/us/tpl/v5
http://www.download.com/AVG-Anti-Virus-Free-Edition/3000-2239_4-10669237.html?tag=lst-0-1
or
Free antivirus - avast! 4 Home Edition
http://www.avast.com/eng/avast_4_home.html
or
AOL Active Virus Shield (powered by Kaspersky)
http://www.activevirusshield.com/antivirus/freeav/index.adp
---------------------------------------------------------
Full Time (Active) Spyware Protection
Windows Defender
http://www.microsoft.com/athome/security/spyware/software/default.mspx
or
AOL Automatic Protection Against Spyware and Malware
http://daol.aol.com/safetycenter/spyware
http://daol.aol.com/safetycenter/
---------------------------------------------------------
Install the following five programs and run weekly or at least monthly. You need all five. They will greatly increase your protection. They are not a substitute for full time spyware and virus protection.
Ad-Aware SE Personal (update + full scan)
http://www.lavasoftusa.com/products/ad-aware_se_personal.php
Spybot Search & Destroy (update + immunize + scan)
Do not enable Tea Timer and SDHelper
After installation: update + scan + immunize
http://www.safer-networking.org/en/mirrors/index.html
SpywareBlaster: Update then open and click “enable all protection”.
http://www.javacoolsoftware.com/spywareblaster.html
SUPERAntiSpyware free version: (update + scan)
http://www.superantispyware.com/
CCleaner: Do not install toolbar option
Removes tracking cookies, unneeded files, history
In options.
Set to run when computer starts.
Place cookies you want to keep in save list
http://www.ccleaner.com/
---------------------------------------------
McAfee Site Advisor: Internet Explorer and Firefox
http://www.siteadvisor.com/
Indicates if a site is unsafe and can link to a page to explain why it is unsafe.
---------------------------------------------
Additional run this time and monthly.
Run Microsoft Update "Custom Mode" install everything
http://update.microsoft.com/microsoftupdate/v6/default.aspx?ln=en-us
Microsoft OneCare Live, run “full service scan”
Updates windows, virus and spyware scan, disk cleanup, disk fragmentation (if needed), backs up registry and then cleans registry, and checks for open firewall ports
http://onecare.live.com/site/en-us/default.htm
-------------------------------------------------------
Online Free Scanners:
Run a different one each month.
Trend Micro: HouseCall Free Scan (removes what it finds)
http://housecall.trendmicro.com/
BitDefender Online Scanner http://www.bitdefender.com/scan8/ie.html
Kaspersky Labs Online Scanner http://www.kaspersky.com/virusscanner
McAfee http://us.mcafee.com/root/mfs/default.asp?affid=294
Edwido Spyware Scan
http://www.ewido.net/en/onlinescan/
F-Secure
http://support.f-secure.com/enu/home/ols.shtml
Panda ActiveScan Free Online Scanner http://www.pandasoftware.com/products/activescan?
Symantic Online Scanner http://security.symantec.com/sscv6/ssc_eula.asp?langid=ie&venid=sym&plfid=23&pkj=ALUFRHYTINMHDKDCWLL&vc_scanstate=2