1.7.5: cygwin blocks UAC dialog

[Shailo Sanyal]

Hi,

I am running Cygwin 1.7.5 on Windows 7 (64-bit):
------------------------------------
I4846-vm:intgpune [2] uname -a
CYGWIN_NT-6.1-WOW64 I4846-vm 1.7.5(0.225/5/3) 2010-04-12 19:07 i686 Cygwin
------------------------------------

If I run an exe from a cygwin tcsh shell the UAC dialog is being 
blocked. I get a "Permission denied." error.

Here is the manifest file for the exe:
------------------------------------
<?xml version='1.0' encoding='UTF-8' standalone='yes'?>
<assembly xmlns='urn:schemas-microsoft-com:asm.v1' manifestVersion='1.0'>
<trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
  <security>
   <requestedPrivileges>
    <requestedExecutionLevel level="requireAdministrator"/>
   </requestedPrivileges>
  </security>
</trustInfo>
</assembly>
------------------------------------

This is breaking some of my scripts which call an executable and need 
the UAC dialog to be popped up.

In a related issue - I also find that Cygwin simply blocks all error 
message popups e.g. for missing DLLs from executables. This makes it 
hard to debug runtime issues.

Is this a bug with Cygwin? Can it be fixed?

Thanks in advance for your help.

Regards,

Shailo Sanyal
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