Exception calling "DownloadString" with "1" argument(s): "The request was aborted: Could not create SSL/TLS secure
channel."
At line:1 char:1
+ iex ((New-Object System.Net.WebClient).DownloadString('https://chocol ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (:) [], MethodInvocationException
+ FullyQualifiedErrorId : WebException
choco : The term 'choco' is not recognized as the name of a cmdlet, function, script file, or operable program.
Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:1 char:95
+ ... .DownloadString('https://chocolatey.org/install.ps1')); choco upgrade ...
+ ~~~~~
+ CategoryInfo : ObjectNotFound: (choco:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException*
您正在尝试在未启用 TLS 1.2 的情况下安装 Chocolatey。看这篇博文 https://chocolatey.org/blog/remove-support-for-old-tls-versions了解更多相关信息。
以下内容直接摘自该博客文章：
虽然您的操作系统可能支持 TLS 1.2，但请务必记住它可能必须启用。如果您使用 PowerShell，您可以通过运行以下代码来了解您的系统支持哪些协议：
[Enum]::GetNames([Net.SecurityProtocolType]) -contains 'Tls12'
如果结果为 True，则您的系统支持 TLS 1.2。您可以通过运行以下命令来了解正在使用哪些协议：
[System.Net.ServicePointManager]::SecurityProtocol.HasFlag([Net.SecurityProtocolType]::Tls12)
如果结果为 True，则正在使用 TLS 1.2。但是，您可以使用以下方法显式添加 TLS 1.2：
[Net.ServicePointManager]::SecurityProtocol = [Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls12
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