Hey JulieM! Most peeps have opted to use XP over Vista, despite Vista being the more recent OS. I think one of the main problems is that Vista is far more of a cpu hog than XP! l8r Mike ----- Original Message ----- From: Julie M. To: ddots-l@xxxxxxxxxxxxx Sent: Thursday, March 04, 2010 3:00 AM Subject: [ddots-l] Sonar with Windows Vista Hi,list. When working with Caketalking and Sonar 8.5, I'm getting audio and midi drop-outs. I've done everything I can to eliminate these. THey are present in Windows Vista but not in XP. Any suggestions. Thanks in advance for any help.