需要安装一个系统补丁 kb 2533623
https://forum.filezilla-project.org/viewtopic.php?t=39838
According to the forum above, you need to install https://support.microsoft.com/en-us/kb/2533623
低版本的浏览器下载不了,附上windows 2008 r2 x64的更新包
Windows6.1-KB2533623-x64.rar