OK. WinZip removed - using 7-Zip which opens passworded files no problem - I like it.

Thanks for your quick reply.

This behaviour does seem to be something that WinZip is doing as it does not happen with Explorer's zipping [I use WinZip's password self-extracting features so...

I recently upgraded/updated Windows 10 Home with the Nov/Dec 2015 update version “1511”.

File associations for Web Browser and Music have always been Firefox and VLC
Player respectively, i.e....