win7下安装python失败问题

在学习《统计思惟 程序员数学之几率统计》时需用python编程，在安装python各类版本老是出现A program run as part of the setup did not finish as expected. Contact your support personnel or package vendor。经过查看事件查看器 Windows日志发现错误提示Error 1722. Th

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