Here are the suggestions from the Mozilla Knowledgebase for the problem you are
having:
http://kb.mozillazine.org/Unable_to_install_themes_or_extensions_-_Firefox#Download_Error_-228
Can you actually ping releases.mozilla.org? It could be your local
mirror was down. Please try again and let us know if that works.
** Description changed:
Binary package hint: firefox-3.0
Firefox 无法将文件安装至
http://releases.mozilla.org/pub/mozilla.org/addons/3504/zotero-1.0.10-fx.xpi,原因为:
下载错误
-228
ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
MediaBuild: Ubuntu 9.04 Jaunty Jackalope - Release i386 (20090421.3)
NonfreeKernelModules: nvidia
Package: firefox-3.0 3.0.10+nobinonly-0ubuntu0.9.04.1
ProcEnviron:
PATH=(custom, user)
LANG=zh_CN.UTF-8
SHELL=/bin/bash
SourcePackage: firefox-3.0
Uname: Linux 2.6.28-12-generic i686
+
+ Translation(From Google): Chinese (automatically detected) » English
+
+ Firefox could not install a file to
http://releases.mozilla.org/pub/mozilla.org/addons/3504/zotero-1.0.10-fx.xpi,
reasons as follows: Download error
+ -228
** Summary changed:
- Firefox 无法将文件安装至
http://releases.mozilla.org/pub/mozilla.org/addons/3504/zotero-1.0.10-fx.xpi,原因为:
下载错误 -228
+ Firefox could not install addon - download error -228
** Changed in: firefox-3.0 (Ubuntu)
Status: New = Incomplete
--
Firefox could not install addon - download error -228
https://bugs.launchpad.net/bugs/380270
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