Creative has uploaded new drivers for the Audigy2 with:

[COLOR=royalblue]Improved front panel headphones support.
Correct surround-channel response when using EAX Effects presets.
System lock-up issue on dual processor and Hyper-Threading enabled systems resolved.
Improved MIDI playback.
Compatibility issue with NVIDIAŽ nForce(TM) onboard gameports resolved.[/COLOR]


[URL=http://asia.creative.com/support/drivers/newfiles.asp?region=2&LangID=1033&NumDays=14&x=18&y=14]Click right here to download them[/URL]. Thanks [URL=http://www.anandtech.com/]Anandtech[/URL]!
UPDATE: If you are having problem downloading from this link check out [URL=http://www.techspot.com/vb/showthread.php?s=&threadid=4270]Thomas post[/URL].