Greasy Fork is available in English.
No more 'Ad blockers are not allowed on YouTube'
< Feedback on Remove Youtube Adblock Warnings!
Mine works fine,
is the warning embed to the video? , try the actual adblocker: https://greasyfork.org/en/scripts/477464-beta-youtube-no-preroll-ads-undetectable (disable your adblocker)
or else can you tell me what did it say?
Problem solved with new update
Doesn't work for me, still got 2 pop ups from 2 tabs after installing the script.