Hey all, I posted earlier this year about a serious issue affecting my playback in TS causing 3 second dropouts in sound output. That was resolved by disabling my Wi-Fi card. My only issue now is lingering pops/tiny stutters happening every so often. It's noticeable enough to not be acceptable to the dancefloor. I've been running DPC latency checker (http://www.thesycon.de/deu/latency_check.shtml) and every 3 seconds I get a spike from some driver or process. I can't seem to get it to stop. I've been disabling and enabling pretty much every device under device manager but that spike continues. I sense there's a connection between that spike and the popping issues I have on TS. I'm running a Intel Core Duo 2.1 GHZ with 4 gigs of ram (bought specifically and only for using Traktor Scratch.) I partitioned my hard drive with a clean install of Vista and Traktor Scratch only: the latency spike continues to occur. More importantly, the popping sounds continue to occur. I've, of course, made all the Vista tweaks NI recommended. In my Audio 8 DJ control panel settings I have it set as 2 ms for USB buffer size and 7 ms for audio buffersize after talking with NI tech support. I originally was using 4 ms for USB buffer size coupled with 16 ms for the audio buffersize. The tech guy, Gabriel (who is amazingly knowledgeable and helpful!), told me my settings were way too high and recommended I reset them back to 2 and 7 ms respectively (nothing over 10 ms total between the two.) Anyway, I've got this popping sound occurring still. I have a laptop that EXCEEDS the requirements for TS. It has to be a driver issue or conflict issue causing it. I've already tried: 1) Plugging the Audio 8 DJ in different USB ports -- no effect. 2) Uninstalling the sound card in my laptop -- no effect. 3) Uninstalling the video driver in my laptop -- no effect (the video driver DOES NOT share the IRQ of the enhanced root rub where my Audio 8 is.) 4) Disabling most things in device manager (to see if the latency spike ceased) -- no effect so far. 5)I've upped the cache setting from 8 MB up to 128 MB -- no effect. 6) Updating the device drivers for both the audio and video card. How can I figure out what is causing these occasional pops and eliminate them? What is causing my latency to spike every 3 seconds or so? Thanks!