>>>>Without IE extension UT was unusable. I don't know if anyone else experience the same plug-in problems.
>>>
>>>I use Chrome at home (Windows 7) and I have no problems with UT (And I am positive I do not have any IE extension)
>>
>>I don't know, when I opened it I saw a yellow (light brown) prompt at the top for a plug-in. I installed it, but it kept coming (looks like it was coming on each refresh). Perhaps it's related with the fact I activated Notifications here?
>
>Just a thought. What OS are you using? Maybe you need to start it as Administrator to install the plug-in?

I'm using Vista 64 OS.