This has been happening a lot lately, mostly on YouTube. I don't know if it's YouTube, Adobe Flash or Firefox:
Gray exclamation mark

This will happen even half-way through playing a video, it will randomly turn into this image. I have to restart Firefox to continue to play YouTube videos.

  • Are you using the latest version of Firefox & the Flash plug-in? Does it happen just on Firefox or all browsers? Just on YouTube or other sites too? – codingbadger Feb 7 '11 at 7:31
  • Is there a tooltip when you hover over the exclamation mark? – ChrisF Feb 7 '11 at 10:00
  • @Barry latest version of Firefox and Flash as far as I know. I try to keep up to date. – Corey Feb 7 '11 at 12:59

It is accused of being a bug (of certain versions of Flash Player) and an out of memory notification.

Adobe Forums: Gray circle with white exclamation mark on white background


It's your Adobe Flash.

Try restarting your browser. Then go back to youtube.com and try to update your Java/Adobe/default Flash program.

  • It happens to me across multiple PCs, OSes, and browsers. It also happens whether I'm using html5 or flash for youtube. I don't want to flat out call you wrong, but I'm quite sure you are. – Fambida Jul 22 '18 at 10:03

If it's happening across platforms and regardles of video accelerator than it is clearly a YouTube problem and not specific to one's PC or OS.


I think it's Firefox. This happened to me on Google Chrome, and the grey excalimation mark happened on YouTube, and another site I was watching an anime on. I tried YouTube on Internet Explorer, and it works fine.

I suggest uninstalling and reinstalling Firefox.


Most likely it's Adobe Flash as others have stated. If restarting doesn't help I suggest switching to HTML5 on YouTube. You can do this by following the following link: http://www.youtube.com/html5

Good Luck!

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