Can't close browser windows

[Jeff]

Once I log online, all windows that open, including pop-
ups, I cannot close. Gives a default signal when you try
to close. HELP!!!! PLEASE

 

[H Leboeuf]

Your computer has been hacked.

Remove all the parasites on your computer.
Delete all the spywares and bad BHOs from your system.
http://www.generation.net/~hleboeuf/spyware.htm

List of bad BHOs.
http://www.doxdesk.com/parasite/