Normally works very well, unfortunately even after the mid July patch it was still making watching Youtube incredibly sluggish and with pop ups so I've had to temporarily disable it.
I'm sorry to hear that. We will look into this. In the meantime, you are right—you can turn off ad protection for YouTube and still be safe on other sites you visit.
If you can provide more details at support.malwarebytes.com, this would be helpful for debugging.
