> 1. Error message: Hello, you either have JavaScript turned off or an
> old version of Macromedia's Flash Player. Get the latest Flash player

> We recommend: Following the steps listed athttp://www.google.com/support/youtube/bin/answer.py?hl=en&answer=57669

> Additionally, you could try clearing your browser's cache and cookies
> and try again.

> If this doesn't fix it please continue reading.

> 2. Error Message: We're sorry this video is no longer available (the
> steps below are also applicable to the previous error message)

> We recommend: Disabling software such as Google Web Accelerator which
> might be causing this issue. We have found that users with ad-blocking
> software enabled may not be able to see videos due to a conflict with
> the flash detection code.

> Please add to this thread with quick fixes that helped you with the
> issue.

> 3. Error message- “Your video is unavailable”-

> We recommend:  Editing your video's tags, title or description. This
> might help you play it. Please remember this is only for a video that
> our site said was Live!. Also, it's only applicable to a video that
> was uploaded by you. In this case,

> For updates on this, please visit our Current Site Issues Page athttp://www.google.com/support/youtube/bin/static.py?page=known_issues.cs

> Please know we're working on making all this work without a glitch and
> would love to hear any workarounds from you. In the
> meanwhile, we appreciate your patience, and truly regret the
> inconvenience.

> Thanks,
> YouTube Anna