A crash occurred and the dialogue box requested that I post the CRASH.TXT file
here, so here it is:

HTTrack 3.49.2 closed at '.\htscache.c', line 401
Reason: zip_zipCloseFileInZip_failed

Stack trace:
unknown [WinHTTrack]
unknown [WinHTTrack]
coucal_dec [libhttrack]
coucal_dec [libhttrack]
coucal_dec [libhttrack]
coucal_dec [libhttrack]
hts_is_available [libhttrack]
hts_is_available [libhttrack]
copy_htsopt [libhttrack]
copy_htsopt [libhttrack]
hts_main2 [libhttrack]
unknown [WinHTTrack]
htsthread_init [libhttrack]
endthreadex [MSVCR90]
endthreadex [MSVCR90]
BaseThreadInitThunk [KERNEL32]