安装Windows 7 SP1失败-系统错误阻止安装Service Pack的解决办法
========================== 1.开始菜单 – 所有程序 -附件 2.右键点击“命令提示符”，选择“以管理员身份运行” 3.输入如下命令并回车 takeown /F %WinDir%WinSxSBackup /r /d ycacls %W……
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