Hi, I am using a Win7 PC with a Line6 UX2 interface which I use for recording as well as regular audio playback. I have been using this setup for 10+ years and never had any issues. Just a yesterday out of the blue I noticed crackling when playing back audio, be it playing an mp3 with the WindowsMediaPlayer or playing a clip off of YouTube. It's the type of crackling you get when the CPU reaches it's peak for a split second, so I'm assuming this must be some sort of driver related-issue? Or could this be something else? I did look if there was a new driver for my UX2 interface, and indeed there was one, but evne after installing it, the crackling was still happening. And when it happend I'm not running a ton of programs, usually just either Windows Media Player and/or my browser (Firefox) from which I'm plying a clip off YouTube. This has just started happening now, so there must have been some change on my system that I was not aware of that must be causing this. Could it be a Windows update causing this maybe? Or a virus/malware? Any ideas? Thanks!