On Tue, 28 Nov 2006, Éric Trépanier wrote:

> Under Windows Vista however, the libcURL does not seem to handle the same
> situation and apparently gets stuck in a loop. At that point, libcURL stops
> invoking the progress notification callback method and it appears that my
> download is hung up.

[...]

> I would appreciate a lot if anyone could help me out here.

I think the best way forward here is to build your own libcurl from source,
and then set a few break-points and similar and investigate what the lib does
using a debugger once you've done your connection-breaking.

-- 
  Commercial curl and libcurl Technical Support: http://haxx.se/curl.html