"The TARGETDIR variable must be provided when invoking this installer"的解决方案

一、问题出现

在安装Python客户端的过程中出现这个问题，百度上很少有解决方案，好不容易找到了才解决，所以自己记录下来，以后有人遇到就可以解决了。

二、问题展示

日志如下：

[1E298:22034][2018-12-10T20:04:30]i001: Burn v3.10.0.2103, Windows v10.0 (Build 14393: Service Pack 0), path: E:\浏览器下载\安装包\python-3.5.1-amd64.exe

[1E298:22034][2018-12-10T20:04:30]i000: Initializing string variable 'ActionLikeInstalling' to value 'Installing'

[1E298:22034][2018-12-10T20:04:30]i000: Initializing string variable 'ActionLikeInstallation' to value 'Setup'

[1E298:22034][2018-12-10T20:04:30]i000: Initializing string variable 'ShortVersion' to value '3.5'

[1E298:22034][2018-12-10T20:04:30]i000: Initializing numeric variable 'ShortVersionNoDot' to value '35'

[1E298:22034][2018-12-10T20:04:30]i000: Initializing string variable 'WinVer' to value '3.5'

[1E298:22034][2018-12-10T20:04:30]i000: Initializing numeric variable 'WinVerNoDot' to value '35'

[1E298:22034][2018-12-10T20:04:30]i000: Initializing numeric variable 'InstallAllUsers' to value '0'

[1E298:22034][2018-12-10T20:04:30]i000: Initializing numeric variable 'InstallLauncherAllUsers' to value '1'

[1E298:22034][2018-12-10T20:04:30]i000: Initializing string variable 'TargetDir' to value ''

[1E298:22034][2018-12-10T20:04:30]i000: Initializing string variable 'DefaultAllUsersTargetDir' to value '[ProgramFiles64Folder]Python[WinVerNoDot]'

[1E298:22034][2018-12-10T20:04:30]i000: Initializing string variable 'TargetPlatform' to value 'x64'

[1E298:22034][2018-12-10T20:04:30]i000: Initializing string variable 'DefaultJustForMeTargetDir' to value '[LocalAppDataFolder]Programs\Python\Python[WinVerNoDot]'

[1E298:22034][2018-12-10T20:04:30]i000: Initializing string variable

三、解决方案

单选安装包，右键选择以管理员身份运行，然后就可以安装成功了。

备注：https://www.cnblogs.com/suogasus/p/4894172.html这个网址是我找到解决方案的博客，谢谢博主。