> the logs, I can see that httrack replaces %2b by a
> +
both are equivalent before the ? apparently not valid after in all cases.

> The URL to download is:
> 
> <http://www.merx.com/French/nonmember.asp?WCE=Show&TA>
> B=1&PORTAL=MERX&State=32&hcode=LESH8qqxAyxkKapord%2b
> QXQ%3d%3d
> 
> httrack tries to download:
> 
> <http://www.merx.com/French/nonmember.asp?WCE=Show&TA>
> B=1&PORTAL=MERX&State=32&hcode=LESH8qqxAyxkKapord+QX
> Q%3d%3d