She has XP and I believe SP 2 has been already installed on her pc. And I doubt very much that MSFT updates this way: a pop up window with offer to update without a company name or what or cancel button. I have seen these pop ups and will always answer No. But my daughter was naive (I should have warned her about these things).
And they have a very fast network on campus, so I think it is a trojan or some other of those types.

>If she has XP, it could be the XP 2 update. It takes quite a while to install but shouldn't be all night. Her connection speed could be a factor??
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>>My daughter called me this morning (from college) and said that last night when she was online a window popped up and asked if she wanted to install an update. She said Yes. The "update" has been "installing" all night. I told her to shut off the notebook. She did but when she starts the notebook again, after a little while, she gets the window that "update" is being installed, still.
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>>I have two questions:
>>1. What possible are they doing to her pc while "installing" update?
>>2. What link or program I should send to her to get rid of this "program" that is probably installed on her pc?
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>>Thank you for any suggestions.