Remove YouTube Video?

1.To remove a video from YouTube, you must be logged into your accout.
After logging into your YouTube account, click the My Account link at the top right of the page.

2.In the Videos section of the page, click on My Uploaded Videos.

3.Click the Remove Video button under the video you want to delete from YouTube.

4.A message pops up asking if you're sure you want to remove the video. If you click OK, the video will be gone.

YouTube videos not playing?

You have to make sure that JavaScript is turned on, and that you have an updated version of Macromedia's Flash Player.
To be sure that JavaScript is turned on –
Internet Explorer - Tools -> Internet Options -> Security Tab -> Click on Custom Level -> Scroll down to Scripting (near the bottom) and click Enable for Active Scripting. Then OK, and OK again.
Firefox - Tools > Options > Content > Enable JavaScript (Windows) Edit > Preferences > Content > Enable JavaScript
In case JavaScript is turned on and you still can't get it to work, download the latest version of flash player.