i must be doing something wrong then, as when i try to open the zip file in documents it gets opened by archive utility (default) and then gets compressed into another PGFX or similar compressed file ?
http://forums.macosxhints.com/archive/index.php/t-63641.html May be of some help.
Unfortunately I will no longer be of any help tonight.
My zipping is working fine on Leopard.
Try this generic zip file created with ALZip in Winblows; here.
does it open with stuffit expander ?
is there a way to reset the default application for zip,rar
Right click and hold down option when the contextual menu appears.
Then just choose "Always open with", and BOOM! job done.