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How To FixYouTube videos won't play in VLC

To play a YouTube video in VLC, press Ctrl+N, then paste the URL of the YouTube video into the text box. This should let you play it without being harassed by YouTube’s adverts and other annoyances.
  However, pasting the URL doesn’t always work. If so, you may need to download a YouTube ‘playlist’ file (LUA) to replace your default one. Go to slover.secsrv.net/youtube.lua, click Download and save the LUA file (ending in ‘youtube.lua') to your VLC installation directory,which you'll find at
C:\Program Files\VideoLAN\VLC\lua\playlist. Click Yes if you’re prompted to replace the file that's
already there.
  In newer versions of VLC, the ‘playlist’ folder may contain LUAC files instead of LUA files. If that's the case, delete the ‘y0utube.luac’ file from the folder once you’ve download the ‘youtube.lua’ file.