Problem getting libwww to work on NT

I am having problems getting libwww to work with in my app. So I am now trying the chunk example. This also fails to get the required document and crashes on exit. I have got the trace output from the program:

[f:\src\ereserve\src\c++\externaldependencies\libwww\bin\debug]chunk http://www.yahoo.com
ChunkStream. Chunk 00BD0B90 created with max size 0
HTAccess.... Accessing document http://www.yahoo.com/
Net Before.. calling 003B2CFC (request 00BC13D0, context 00000000)
Net Before.. calling 003B2D02 (request 00BC13D0, context 00000000)
URL Tree.... did NOT find `w3c-AA'
Credentials. verified
Net Before.. calling 003B2EDC (request 00BC13D0, context 00000000)
URL Tree.... did NOT find `w3c-pep'
Net Before.. calling 003B2CF6 (request 00BC13D0, context 00000000)
Net Object.. 00BD0600 created with hash 0
Net Object.. starting request 00BC13D0 (retry=1) with net object 00BD0600
HTTP........ Looking for `http://www.yahoo.com/'
HTHost parse Looking up `www.yahoo.com' on port 80
Event....... Created event 00BD0270 with context 00BD02F0, priority 20, and timeout -1
Event....... Created event 00BD0230 with context 00BD02F0, priority 20, and timeout -1
Event....... Created event 00BD01F0 with context 00BD02F0, priority 20, and timeout -1
Event....... Created event 00BD01B0 with context 00BD02F0, priority 20, and timeout -1
Event....... Created event 00BD0170 with context 00BD02F0, priority 20, and timeout -1
Event....... Created event 00BD0130 with context 00BD02F0, priority 20, and timeout -1
Host info... added `www.yahoo.com' with host 00BD02F0 to list 00BD0570
Host connect Grabbing lock on Host 00BD02F0 with 00BD0600
Host info... Added Net 00BD0600 (request 00BC13D0) to pipe on Host 00BD02F0, 1 requests made, 1 requests in pipe, 0 pending
HTHost...... No ActivateRequest callback handler registered
HTHost 00BD02F0 going to state TCP_CHANNEL.
HTHost 00BD02F0 going to state TCP_DNS.
Looking up www.yahoo.com
Looking up www.yahoo.com
DNS Add..... `www.yahoo.com' with 5 home(s) to 00BD0070
ParseInet... as port 80 on 216.32.74.53 with 5 homes
HTHost 00BD02F0 going to state TCP_NEED_SOCKET.
Socket...... Created 56
Net Manager. Increasing active sockets to 1, 0 persistent sockets
Socket...... Turned off Nagle's algorithm
Socket...... Blocking socket
Channel..... Hash value is 56
Channel..... Added 00BD1B20 to list 00BD1B80
Reader...... Created reader stream 00DD0060
Socket...... TCP send buffer size is 8192 for socket 56
Contacting www.yahoo.com
HTHost 00BD02F0 going to state TCP_NEED_CONNECT.
HTDoConnect. WOULD BLOCK `www.yahoo.com'
no textRequest..... Delete 00BC13D0
Request..... Deleting dangling output stream
Chunkstream. FREEING...
WWWLibTerm.. Cleaning up LIBRARY OF COMMON CODE
Net Object.. Kill ALL Net objects!!!
Interrupted!
Net Object.. Killing 00BD0600

Can anyone help?