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"Microsoft Office Find Fast. This gets installed with Microsoft Office 95/97/2000. The supposed benefit of Find Fast is that it will enable you to find documents faster from within Microsoft Office. In practice : as with TASKMON it makes no visible difference to end-users, particularly on nowadays fast PCs. Thus, not only is Find Fast a total waste of time, but it is also a very significant annoyance too since, on many PCs, it results in the PC seemingly "freezing" for 2 to 5 seconds.
..... go into the FindFast icon in the Control Panel and choose the "Index \ Close and Stop" menu option."