Menu bar freezes

Every time I log in, after a few seconds, this globe-like icon appears
on my clock bar, and the bar freezes, including the menu. I can´t open
anything, I can´t even change between opened software. The only thing
that works is whatever program I´m running, which I can continue to use
with no problem, but once I´m done, I have to signout the user to be
able to turn it off. I press ctrl+alt+del, and the program administrator
opens, but the computer doesn´t let me access it, since it freezes.

I´m running Windows Vista (x64) Home. I think I have downloaded all the
available updates for it. Anybody can help?


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Coquidragon
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