in that case I will give you a serious reply, although it might not be a
direct solution it may serve you for a limited period of time
you should try zipgenius a freeware that integrates with the windows
explorer shell too (right click) and is compatible with vista.
http://www.zipgenius.it/eng/index.php
ZipGenius is the absolutely free software for Windows® that lets you
compress files to almost any kind of archive. ZipGenius supports more than
20 compressed archive formats, including CD/DVD-ROM image files in ISO9660
standard. This is the file compression suite you were searching for: it is
free and easy to use, plus it supports more than 20 formats of compressed
archives, including RAR, ARJ, ACE, CAB, SQX, OpenOffice.org documents and
the excellent 7-zip. ZipGenius now can precompress executable files going to
be added to a ZIP archive through the UPX compressor.