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Date:	Thu, 12 Sep 2013 12:59:45 -0400
From:	Ryan Johnson <ryan DOT johnson AT cs DOT utoronto DOT ca>
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To:	cygwin AT cygwin DOT com
Subject:	Re: cannot run setup64.exe without admin privileges (even if renamed foo.exe)
References:	<CAPw2spinsbSZaduOMJtgR6rkaoJA9s7rTm6LCwvWBCK9-kiN8A AT mail DOT gmail DOT com> <6CF2FC1279D0844C9357664DC5A08BA2148DD6 AT MLBXV06 DOT nih DOT gov> <CAPw2spjNRbE1CVoLV1k9_YAaYaBjnRNStpB4s5kcX=OLkLRhGg AT mail DOT gmail DOT com> <5231DE3D DOT 1030706 AT cs DOT utoronto DOT ca> <6CF2FC1279D0844C9357664DC5A08BA2148E6C AT MLBXV06 DOT nih DOT gov>
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On 12/09/2013 11:52 AM, Buchbinder, Barry (NIH/NIAID) [E] wrote:
> Ryan Johnson sent the following at Thursday, September 12, 2013 11:31 AM
>>>> Try *copying* setup64.exe to foo.exe.  Or download it again but save it
>>>> with the name foo.exe.
>>>> Windows may be remembering that the file used to be called setup*.exe.
>>>> That memory might not get copied.
>>> Doesn't work: "the requested operation requires elevation".
>> On 12/09/2013 11:26 AM, Frédéric Bron wrote: I have vague memories that
>> someone (Corinna?) suggested copying the file to a USB key and back: the
>> FAT filesystem can't track the permissions that cause this behavior.
>> Never tested it myself, though (maybe I should, it would be nice to lose
>> the UAC prompt).
> Try this.
>
> In a cmd.exe shell:
>
> type setup64.exe > foo.exe
>
> I did a cmp and the two files were identical (using 32 bit setup.exe).
>
> I also tried in bash:
>
> $ cat setup.exe > foo2.exe
>
> Again the files were identical.  However, ls showed permission for foo.exe
> (made under cmd) as rwx while foo2.exe made under bash was rw-.  Both open
> fine from Windows Explorer.
The problem isn't rw-, it's Windows insisting that the executable run 
with admin rights even though it doesn't actually need them.

Ryan


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