Campus-Computing Officials Find a Worm Lurking in E-Mail Attachments

Some campus computer users sharing an amusing e-mail attachment in the past month have shared it a little more than they intended. The attachment, called "Happy99," is actually a computer virus that can cause trouble by sending out unwanted messages and causing some e-mail programs to crash.

Happy99 appears in the form of an executable file -- one ending with ".exe" -- that users must activate, usually by

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