I want to download some help documentation from Zendesk here:  

<https://unconline.zendesk.com/hc/en-us>

However, I'm running into an error "12:41:55 Error:  "Forbidden" (403) at link
unconline.zendesk.com/hc/en-us (from primary/primary)"

I tried changing the user agent, but that didn't seem to help.  Log below.

HTTrack3.49-2+htsswf+htsjava launched on Tue, 03 May 2022 12:41:54 at
<http://unconline.zendesk.com/hc/en-us> +*.png +*.gif +*.jpg +*.jpeg +*.css
+*.js -ad.doubleclick.net/* -mime:application/foobar
(winhttrack -qiC2%Ps0u1%s%uN0%I0p3DaK0H0%kf2A25000%f#f -F "Mozilla 5.0" -%l
"en, *" <http://unconline.zendesk.com/hc/en-us> -O1 "D:\Website Copy\UNCO
Zendesk" +*.png +*.gif +*.jpg +*.jpeg +*.css +*.js -ad.doubleclick.net/*
-mime:application/foobar )
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
12:41:55 Error:  "Forbidden" (403) at link unconline.zendesk.com/hc/en-us
(from primary/primary)
12:41:55 Warning:  No data seems to have been transferred during this session!
: restoring previous one!