Mail Archives: cygwin-developers/2000/04/03/12:33:31

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From: "Parker, Ron" <rdparker AT butlermfg DOT com>
To: Matt <matt AT use DOT net>
Cc: "'cygwin-developers AT sourceware DOT cygnus DOT com'"
<cygwin-developers AT sourceware DOT cygnus DOT com>
Subject: RE: Known DLLS (Was: Mo Dejong's install problems)
Date: Mon, 3 Apr 2000 11:29:09 -0500
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> From: Matt [mailto:matt AT use DOT net]

> On Fri, 31 Mar 2000, Parker, Ron wrote:
> > > -----Original Message-----
> > > From: Mumit Khan [mailto:khan AT NanoTech DOT Wisc DOT EDU]
> > <snip>
> > 
> > > A long time ago, I added Cygwin dll to the "Known DLLs" list, 
> > > but I don't
> > > remember if I saw any significant improvements. 
> > 
> > <snip>
> > 
> > FWIW, Microsoft added a new "feature" to "Known DLLs" with 
> Windows 2000. If
> > a file is listed as a "Known DLL" nothing may replace it short of an
> > operating system service pack. If you try replacing it, 
> success will be
> > reported but nothing will be changed. Microsoft will 
> re-replace it with a
> > cached copy that you cannot modify.


> What you are referring to in Win2k is "system File 
> Protection". 


I read a MS article that implied that a Known DLL is under "System File
Protection", now known as "Windows File Protection".  After performing a
test I determined that it was merely coincidental that all of the default
"Known DLLs" on my machine were under WFP.  Adding a new file to "Known
DLLs" does not cause it to be WFP'd.  Please ignore my original post. :^)

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