I don't have that partitular one, but have many, many
other similar ones.

That is the uninstall info for various Windows patches.
It may also be repair install info in case you roll back
another patch, or for other patch related activities...

If you can spare the space, it is always better to leave
"automatic system related" files like this alone.
I have seen MS KB info of how to properly remove this
type of thing, but never felt lucky about following the
instructions, or what I would be missing (in the way of
lost functionally) if they were removed... JMHO.

                                 Rick Glazier

From: <CSThomas
> Since I go in my folders quite frequently, I know what is in there  normally. 
> While ago, I went in there to see if this program had deleted  the contents 
> of the Prefetch folder I was using, and much to my amazement, when  I opened 
> the Windows folder, there were 120 of bright blue things such as this  ----     
> $ntuninstallkb83549$     They have  never been in there before this time.  
> What is it and how did it get in  there and is it something I should worry 
> about.  
> 
> I can't think of anything I have done differently either.  

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