"The LOVELETTER worm (also called the ILOVEYOU worm) is a computer worm that successfully attacked tens of millions of computers running the Windows operating system in 2000 when it was sent as an attachment to an email message with the text \"ILOVEYOU\" in the subject line."@en . . . . . . "The LOVELETTER worm (also called the ILOVEYOU worm) is a computer worm that successfully attacked tens of millions of computers running the Windows operating system in 2000 when it was sent as an attachment to an email message with the text \"ILOVEYOU\" in the subject line."@en . "LoveLetter worm"@en .