Modified Driver for Windows XP CirrusAudioXP_Macbook_b.zip 1.0.0.13b (Oct. 27, 2009) CirrusAudioXP_Macbook_c.zip 1.0.0.13c (Nov. 1, 2009). Try this if recording still fails with 1.0.0.13b, but it probably won't help. Cirrus Logic has a newer XP driver version 1.0.0.38 (Jan., 2011) that is reported to fix audio output problems, but still not record properly. Windows Vista and newer: Cirrus has a ne