It seems to be a bug in your PHP version:
www.phpforum.de/forum/showthread.php?p=1104966
bugs.php.net/bug.php?id=39231
Or Joomla has no rights to access the archive:
de2.php.net/zip_read
When using J!1.5 don't use the ftp mode.
You can also try to upload to a folder on your server, chmod 777 and use the local installer to install the package.
Or you have tried to install "udde****_unzip1st.zip". If so please read the last eight characters in the filename.
Post edited by: slabbi, at: 2008/01/10 21:26