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YouTube advertisement audio is doubling or overlapping eachother when watching a video

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When playing a video on Youtube, if the video starts out with an advertisement, after 5 seconds or so a new ad's audio will begin to play. 5 seconds or so later a 3rd ad's audio will play and so on. The only time I am able to watch a video with no interference, is when there is no advertisement.

I have attempted to reinstall Firefox, Flash, and disabled all add ons except Flash to no avail. This problem does not occur in Internet Explorer.

When playing a video on Youtube, if the video starts out with an advertisement, after 5 seconds or so a new ad's audio will begin to play. 5 seconds or so later a 3rd ad's audio will play and so on. The only time I am able to watch a video with no interference, is when there is no advertisement. I have attempted to reinstall Firefox, Flash, and disabled all add ons except Flash to no avail. This problem does not occur in Internet Explorer.

Alle antwurden (1)

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People have reported some strange interactions between the AdBlock Plus extension and YouTube. When you disabled add-ons, did you also check the extension category:

orange Firefox button (or Tools menu) > Add-ons > Extensions category


When you have a problem with one particular site, a good "first thing to try" is clearing your Firefox cache and deleting your saved cookies for the site.

(1) Bypass Firefox's Cache

Use Ctrl+Shift+r to reload the page fresh from the server.

Alternately, you also can clear Firefox's cache completely using:

orange Firefox button (or Tools menu) > Options > Advanced

On the Network mini-tab > Cached Web Content : "Clear Now"

If you have a large hard drive, this might take a few minutes.

(2) Remove your youtube-related cookies (save any pending work first). While viewing a page on the site:

  • right-click and choose View Page Info > Security > "View Cookies"
  • Alt+t (open the classic Tools menu) > Page Info > Security > "View Cookies"

Then try reloading the page. Does that help?