How can I view which files Windows XP is prefetching?

John Savill

February 28, 2002

1 Min Read
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A. XP creates a %systemroot%prefetch folder to store files with a .pf extension that correspond to the files the OS prefetches at system start-up. These files are in the format -.pf (e.g., frontpg.exe-2F398878.pf indicates that XP is prefetching Microsoft FrontPage at start-up).

To prevent the OS from prefetching a file, you simply delete entries from this folder (e.g., to stop XP from prefetching outlook.exe, delete the filename that starts with outlook.exe). I recommend that you clear items from this folder once a month to remove obsolete entries.

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