For a few months now, at random intervals, there will be a knocking sound played through my headphones as if someone is knocking at my door. I have seen this audio used to prank people, but it is somewhere on my computer and I can't find the process responsible. Also, starting today a cmd prompt...

I recently bought a new ASUS laptop with windows 8 and I'm suddenly struggling with tons of ads in all of my internet browsers. There's an edeals ad on certain words on every webpage and new tabs will open with warnings and advertisements. Here's what I have done so far: -Ran Malwarebytes -Ran...