cygwin1.dll not found..

[vemuri@helixgenomics.com]

Dear all,
      I downloaded cygwin and installed on XP professional.
I wrote a small c program to print my name.

when run it from the cygwin console, the program is running.

when I run the same executable from outside cygwin, it is giving the
following error:

***************************************************************************
abc.exe - unable to locate component

This application has failed to start because cygwin1.dll was not found.
Re-installing the application may fix this problem.
***************************************************************************

I checked and found that cygwin1.dll is very well there in /bin/cygwin1.dll.

Can any body suggest how to over come this problem.
Thank you in anticipation. I am using the recent downloads available.

waiting for your suggestions.
Prasad.

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