1. Remove the package from Install Packages menu
从Delphi的IDE中卸载Indy组件包
2. Delete the *.BPL and *.DCP files of Indy from the installation directoy and from your System folder
从你的系统目录中删除以Indy开头的所有bpl和dcp文件
3. Remove any old old Indy files from your library path
从你的Delphi的Library path中删除所有Indy的路径
4。安装你的新Indy组件