Troubleshooting 141A5 If Windows does not recognize the existence of an anti-virus program even whenit has been installed, your computer could be vulnerable to attacks from theInternet. You should install an anti-virus program that your computer is able toidentify.Check the following programs which Windows can detect and select one fromthe list.A list of anti-virus programs that Windows can detect:-Symantec Norton Anti-Virus-NetworkAssociates (McAfee)-TrendMicro-ComputerAssociates-Panda-Kaspersky-Ahnlabs (AhnLab)Visit the Microsoft Web site (www.microsoft.com) regularly to check the latestlist.OtherQ1 4GB memory capacity is not properly recognized by Windows.A Windows XP SP2 cannot display a memory capacity over 4GB due to license anddriver compatibility problems. Even if the system information shows only 3GBof memory, the system memory capacity is 4GB and is normal.