Cannot get unity player to load with Tiger Woods Ea Game online. Works with Mozilla.
Try lowering the security settings in the browser.
My bet is you're at work in an environment where they won't let you install another browser. There's no other logical reason you'd be wanting to use "windows" internet explorer over Mozilla/Firefox ANYTIME.
Ask your system admin at the office to check out what's going on with plugin support in their "security" setup. And don't be shy about explaining what you want it for. He doesn't like working their either.