> www.mydomain.com/file.php?param2=1&param1=NUMBER
> I tried charging a file with generated url (thx
> excel), 
Or see Number sequences: How to mirror only files/URLs using a certain
ID/number range - <http://httrack.kauler.com/help/URL_number_sequences>

> however httracks just crash and log does not
> say much ... For now I have to copy the urls 500 per
There's a max size in the url box.

Instead use action=get separated files and
URL=file:///C:/Users/name/path/to/file.txt