[gentoo-user] Unpacking a .exe file

[Mick]

Hi All,

I seem to be having problems unpacking a particular wireless driver.  I tried 
both unzip and cabextract and neither will do the deed:
=======================================================
 $ unzip -l wg511v2_3_2.exe 
Archive:  wg511v2_3_2.exe
  End-of-central-directory signature not found.  Either this file is not
  a zipfile, or it constitutes one disk of a multi-part archive.  In the
  latter case the central directory and zipfile comment will be found on
  the last disk(s) of this archive.
note:  wg511v2_3_2.exe may be a plain executable, not an archive
unzip:  cannot find zipfile directory in one of wg511v2_3_2.exe or
        wg511v2_3_2.exe.zip, and cannot find wg511v2_3_2.exe.ZIP, period.

$ cabextract -l wg511v2_3_2.exe 
wg511v2_3_2.exe: no valid cabinets found

All done, errors in processing 1 file(s)
=======================================================

Last time I used cabextract (more than a couple of years now) I don't recall 
having such problems.  How can I troubleshoot this, or how else can I extract 
the .sys files from in there?
-- 
Regards,
Mick