This is no longer a problem in xarchiver 0.4 . Here's the patch taken from upstream.
** Attachment added: "use gtk_dialog_run for about window" http://librarian.launchpad.net/4290190/xarchiver.patch -- [edgy] Close button for "About" dialog not working https://launchpad.net/bugs/60734 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
