From:	Charles Sandmann <sandmann AT clio DOT rice DOT edu>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Flex
Date:	Thu, 13 Feb 2003 09:52:46 CST
Organization:	Rice University, Houston TX
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Message-ID:	<3e4bbf4e.sandmann@clio.rice.edu>
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> I've just download http://clio.rice.edu/djgpp/win2k/flx254b.zip and unzip
> it. Reading the README file: "Rebuilding from sources" Have I to do it or
> not?

No.

> The problem is that when I run flex.exe (or flexpp.exe, or flexx.exe) I get
> the error message: "It's no possibile to run the program..." or something
> like this... why? Do I need to install a C compiler maybe?

This message comes from Windows.  For some reason you are being prevented
from running the DOS executable.  I know you can get this message if your
default directory is too long, or if you environment is too full.  It 
may happen also if someone has set a policy against you running DOS 
images.

1) Make sure you have a short current directory, like c:\djgpp\bin
2) Run from a command line
3) Make sure your path is reasonably short, i.e
   set path=c:\windows\system32;c:\windows;c:\djgpp\bin
4) Remove unneeded environment variables:
   SET PROCESSOR_IDENTIFIER= 
5) Try running as an administrator; check policy on running dos images

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