I found this from here: http://www.google.com/support/youtube/bin/...mp;answer=57669
* Internet Explorer 7
* Internet Explorer 6
* Firefox 2.x
* Firefox 1.x
Internet Explorer 7
1. Select Tools > Internet Options.
2. Click on the Security tab.
3. Click the Custom Level button.
4. Scroll down to the Scripting section.
5. Select Enable for Active Scripting and Scripting of Java Applets.
6. Click OK.
7. Select YES if a box appears to confirm.
8. Click OK. Close window.
9. Reload page.
Gone through this above it still failed to work.
Edited by Izzy, 11 August 2007 - 11:55 PM.