Indexing Services is a small little program that uses large amounts
of RAM and can often make a computer endlessly loud and noisy. This
system process indexes and updates lists of all the files that are
on your computer. It does this so that when you do a search for
something on your computer, it will search faster by scanning the
index lists. If you don't search your computer often, or even if
you do search often, this system service is completely unnecessary.
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