Do you have NoScript installed? If so make sure you configure it to allow Facebook and any other parts of the site it might be blocking.
A friend of mine had problems doing this too, I noticed the orange "update java" tray icon was there, clicked it, followed the update links and all was well after.
Think your java needs updating![]()
Try the site in Firefox (Safe Mode) to disable any add-ons.
Should be a link in your start menu for safe mode.
Just update java - if that doesnt work then explore other avenues![]()
When you use IE it normally asks you to download/install their activex/java scriptlet, so it might be this is still missing. Have you tried IE instead?