If the above goes down, use the following urls. Regular XP: http://download.microsoft.com/download/A/3/8/A38FFBF2-1122-48B4-AF60-E44F6DC28BD8/ENUS/x86/MSEInstall.exe XP 64bit: http://download.microsoft.com/download/A/3/8/A38FFBF2-1122-48B4-AF60-E44F6DC28BD8/ENUS/amd64/MSEInstall.exe No! Those are for Windows Vista / 7 x86 and x64. You can grab the latest WindowsXP v4.4.304 version from filehippo: http://www.filehippo.com/download_security_essentials_xp
That is Wireless Intermediate Miniport Driver, Atheros Communications, Inc. Update your drivers and you'll solve your problems: http://www.atheros.cz/atheros-wireless-drivers.php Let us know the results...