To get rid of the annoying YouTube message (ad blocker are not allowed on Youtube) use this custom filter in uBlock extension
- Open uBlock extension dashboard
- Open my filters tab
- Copy & Paste this code into my filter
- Apply changes and close all tabs
via: enderman
I followed those instructions to the letter aswell as cleared all the cookies and I’m still getting the popup. I first came up with this code more than 3 months ago so it’s probably outdated by now.