unable to set the registry entry ,path

第一次安装timesten 11.2.2客户端时,安装成功,点击setup.exe 删除了timesten,删除了注册表信息,再次点击setup.exe安装,最后一步时报错unable to set the registry entry ,path。求解答啊
重新下载安装包后点击set up.exe仅有set up.exe不行