Jan 28, 2005 - 
General, Scripting, Windows 2000, Windows 2003, Windows XP 
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General, Scripting, Windows 2000, Windows 2003, Windows XP No Comments Freeware Caffeine prevents your PC from locking or going to sleep
Run this to prevent your PC screen from locking. It does this by simulating
that you’ve pressed the shift key once every 59 seconds.
Double-click the icon to temporarily disable Caffeine, and permit your screen
to lock.
Under Win98: a key down and then a key up event is simulated
Under Win2000/XP: a key up event is simulated