This article is Part 1 of the Forgotten your Windows XP Home password? guide. Part 1 introduces this topic. Note To view the other topics of the Forgotten your Windows XP Home password? guide, see the Microsoft Knowledge Base articles that are listed...

Windows File Protection (WFP) prevents programs from replacing critical Windows system files. Programs must not overwrite these files because they are used by the operating system and by other programs. Protecting these files prevents problems with programs and the operating system.

Explains that you receive an error message when you try to open, save, or close a document in Word 2000 or when you perform other Windows functions.