>>
>>Sounds like it's time to accept that PkZip is depreciated.
>
>It has had a good life of 15 years without any problem (w.r.t pkzip 2.5)
>
>We have shifted to "7 zip" command line version.
>
>Thanks
>
>Rakesh

Seems like a good choice, and thank you for the tip. Since PkZip also doesn't work on 64-bit Windows you would have to change sooner or later anyway.