norton

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 11/15/09
Avast: 11/12/09
Norton anti-virus: 11/11/09
McAfee anti-virus: 11/11/09
Lavasoft Ad-Aware: 11/13/09
Spybot Search and Destroy: 11/11/09
Microsoft Security Essentials: 11/11/09*
Nod32: 11/13/09

Updates as of November 15, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 11/08/09
Avast: 11/07/09
Norton anti-virus: 11/04/09
McAfee anti-virus: 11/04/09
Lavasoft Ad-Aware: 11/06/09
Spybot Search and Destroy: 11/04/09
Microsoft Security Essentials: 11/04/09*
Nod32: 11/06/09

Updates as of November 8, 2009 6:00am CDT.
*last update - the system would not update today.

Over at Buy.com they have what appears to be a deal on Symantec’s Norton AntiVirus 2010 software. The single licensed version is only $15.99 and includes free shipping. The software also includes anti spyware software as well.
Here are the system requirements:

Microsoft® Windows® XP (32-bit) with Service Pack 2 or later Home/Professional/Media Center

Microsoft Windows Vista (32-bit and [...]

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 10/25/09
Avast: 10/23/09
Norton anti-virus: 10/21/09
McAfee anti-virus: 10/21/09
Lavasoft Ad-Aware: 10/23/09
Spybot Search and Destroy: 10/21/09
Microsoft Security Essentials: 10/22/09
Nod32: 10/23/09

Updates as of October 25, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 10/18/09
Avast: 10/17/09
Norton anti-virus: 10/14/09
McAfee anti-virus: 10/14/09
Lavasoft Ad-Aware: 10/16/09
Spybot Search and Destroy: 10/14/09
Microsoft Security Essentials: 10/17/09
Nod32: 10/16/09

Updates as of October 18, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 10/04/09
Avast: 10/03/09
Norton anti-virus: 09/30/09
McAfee anti-virus: 09/30/09
Lavasoft Ad-Aware: 10/02/09
Spybot Search and Destroy: 09/30/09
Microsoft Security Essentials: 09/30/09
Nod32: 10/01/09

Updates as of October 4, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 09/27/09
Avast: 09/26/09
Norton anti-virus: 09/23/09
McAfee anti-virus: 09/23/09
Lavasoft Ad-Aware: 09/25/09
Spybot Search and Destroy: 09/23/09
Microsoft Windows Defender: 09/23/09
Nod32: 09/25/09

Updates as of September 27, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 09/20/09
Avast: 09/17/09
Norton anti-virus: 09/16/09
McAfee anti-virus: 09/16/09
Lavasoft Ad-Aware: 09/18/09
Spybot Search and Destroy: 09/16/09
Microsoft Windows Defender: 09/16/09
Nod32: 09/17/09

Updates as of September 20, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 09/06/09
Avast: 09/05/09
Norton anti-virus: 09/02/09
McAfee anti-virus: 09/02/09
Lavasoft Ad-Aware: 09/04/09
Spybot Search and Destroy: 09/02/09
Microsoft Windows Defender: 09/02/09
Nod32: 09/04/09

Updates as of September 06, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 08/30/09
Avast: 08/29/09
Norton anti-virus: 08/26/09
McAfee anti-virus: 08/26/09
Lavasoft Ad-Aware: 08/28/09
Spybot Search and Destroy: 08/26/09
Microsoft Windows Defender: 08/26/09
Nod32: 08/28/09

Updates as of August 30, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 08/23/09
Avast: 08/22/09
Norton anti-virus: 08/19/09
McAfee anti-virus: 08/19/09
Lavasoft Ad-Aware: 08/21/09
Spybot Search and Destroy: 08/17/09
Microsoft Windows Defender: 08/19/09
Nod32: 08/20/09

Updates as of August 23, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 08/16/09
Avast: 08/13/09
Norton anti-virus: 08/12/09
McAfee anti-virus: 08/12/09
Lavasoft Ad-Aware: 08/14/09
Spybot Search and Destroy: 08/12/09
Microsoft Windows Defender: 08/12/09
Nod32: 08/14/09

Updates as of August 16, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 08/09/09
Avast: 08/07/09
Norton anti-virus: 08/05/09
McAfee anti-virus: 08/05/09
Lavasoft Ad-Aware: 08/07/09
Spybot Search and Destroy: 08/05/09
Microsoft Windows Defender: 08/05/09
Nod32: 08/07/09

Updates as of August 09, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 08/02/09
Avast: 08/01/09
Norton anti-virus: 07/29/09
McAfee anti-virus: 07/29/09
Lavasoft Ad-Aware: 07/31/09
Spybot Search and Destroy: 07/29/09
Microsoft Windows Defender: 07/29/09
Nod32: 07/31/09

Updates as of August 02, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 07/26/09
Avast: 07/25/09
Norton anti-virus: 07/22/09
McAfee anti-virus: 07/22/09
Lavasoft Ad-Aware: 07/24/09
Spybot Search and Destroy: 07/22/09
Microsoft Windows Defender: 07/22/09
Nod32: 07/24/09

Updates as of July 26, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 07/18/09
Avast: 07/18/09
Norton anti-virus: 07/15/09
McAfee anti-virus: 07/15/09
Lavasoft Ad-Aware: 07/18/09
Spybot Search and Destroy: 07/15/09
Microsoft Windows Defender: 07/15/09
Nod32: 07/17/09

Updates as of July 18, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 07/12/09
Avast: 07/10/09
Norton anti-virus: 07/08/09
McAfee anti-virus: 07/08/09
Lavasoft Ad-Aware: 07/10/09
Spybot Search and Destroy: 07/08/09
Microsoft Windows Defender: 07/08/09
Nod32: 07/10/09

Updates as of July 12, 2009 6:00am CDT.

I have mentioned previously about using online security scanners to check your system periodically. I do this for several reasons. First of all I do not believe that any one product can provide 100% perfect protection all of the time. Second, using more than one program gives me a feeling that my system really, really [...]

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 07/05/09
Avast: 07/04/09
Norton anti-virus: 07/01/09
McAfee anti-virus: 07/01/09
Lavasoft Ad-Aware: 07/02/09
Spybot Search and Destroy: 07/01/09
Microsoft Windows Defender: 07/01/09
Nod32: 07/02/09

Updates as of July 05, 2009 6:00am CDT.

Make sure your system is up to date and has the latest protections in place.

AVG anti-virus: 06/28/09
Avast: 06/26/09
Norton anti-virus: 06/24/09
McAfee anti-virus: 06/24/09
Lavasoft Ad-Aware: 06/26/09
Spybot Search and Destroy: 06/24/09
Microsoft Windows Defender: 06/24/09
Nod32: 06/25/09

Updates as of June 28, 2009 6:00am CDT.