Forum member nasdaq
helped to remove the last traces of a serious infection I picked up via a PDF (see that thread for background info here
). nasdaq suggested I start a new thread here to fix the remaining problem.
The computer has been scanning clean for quite some time now, but I am still experiencing DPC latency related audio dropouts that started with the infection. I have updated all of my drivers, the BIOS, Firefox, Java, Flash, and Adobe Reader.
The dropouts tend to start when I interact with the operating system (minimizing and maximizing windows, going to Show Desktop, etc.), but they seem especially likely to start when I play online video or audio streams. When the dropouts start, I get an audio stutter once per second. This can go on for quite a long time even after all applications are closed and even with almost all devices disabled in Device Manager. Then the problem will stop and everything will work normally for a while.
This is a typical example of what the DPC latency looks like when the dropouts begin.
Any help will be appreciated.