I have tried archiving our website several times yesterday and today and
HTTrack crashes about an hour in each time.  Any advice would be appreciated.
The CRASH.TXT file says:

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]