>HTTrack 3.34-ALPHA-3 shows me an 'alert' that there's been
>a runtime error, that this error has been logged and that
>I should submit it to this Forum. I clicked on 'OK' on the
>alerts, closing them, then went to check the mirror logs
>and HTTrack caches. I cannot find any log of the runtime 
>error. Where is it?

I've found it at last. It's an "Address List" text file
named "CRASH.txt", and was tucked away in my root folder. 
Should Monsieur Roche wish to know, the contents are:

'HTTrack 3.33.18 closed at '\Dev\htsback.c', line 208
Reason:
assert failed: !inthash_exists((inthash)sback->ready, itemback->url_sav)'