Thanks, found it!
Was "Ad blocking" feature of NIS.
What is interesting is that was ON from the beginning and I had no problems with that. Maybe they changed something and was applied with Live Update.
Thanks again


>>Anyone knows what settings can cause imposibility to log into messages area of Universal Thread?
>>At the office, after authentication, the second windows doesn't appear at all. Can be NIS fault?
>>I used to drink the coffee reading messages :)
>
>See our Technical Guidelines to see what tool is intefering with all that:
>
>http://www.levelextreme.com/TechnicalGuideline.asp