Tried two sites, one from work using a proxy, one from home 
behind a home-router with NAT. Tried two different sites in 
each case. 
Note: Both URL's contain a '~' - is this a problem?
Errotr message for 2nd case, after simplifying to try and 
get a single file ...

HTTrack3.32+swf launched on Thu, 29 Apr 2004 01:27:54 at 
<http://www.cpe.ku.ac.th/~nguan/presentations/datacom/dcom.pd>
f +*.png +*.gif +*.jpg +*.css +*.js -ad.doubleclick.net/* 
+*.pdf +*.ppt +*.doc +*.txt
(winhttrack -qiC2%Ps2u1%sN0%I0p3DaK0H0%kf2%f0#f -
F "Mozilla/4.5 (compatible; HTTrack 3.0x; Windows 98)" -%
F "<!-- Mirrored from %s%s by HTTrack Website Copier/3.x 
[XR&CO'2002], %s -->" -P 10.6.1.11.80:80 -%l "en, en, *" 
<http://www.cpe.ku.ac.th/~nguan/presentations/datacom/dcom.pd>
f -O "D:\DL\Pages\NWKG course,D:\DL\Pages\NWKG course" 
+*.png +*.gif +*.jpg +*.css +*.js -ad.doubleclick.net/* 
+*.pdf +*.ppt +*.doc +*.txt -%A 
php3,php,php2,asp,jsp,pl,cfm=text/html )
Information, Warnings and Errors reported for this mirror:
note: the hts-log.txt file, and hts-cache folder, may 
contain sensitive information,
 such as username/password authentication for websites 
mirrored in this project
 do not share these files/folders if you want these 
information to remain private
01:28:10 Error:  "Unable to get server's address" (-5) 
after 2 retries at link 
www.cpe.ku.ac.th/~nguan/presentations/datacom/dcom.pdf 
(from primary/primary)
01:28:10 Info:  No data seems to have been transfered 
during this session! : restoring previous one!