Powershell ISE无法启动（愚蠢地）删除所有变量

| 我急切地想找出哪些变量是受保护的或常量，我决定只看一下可以删除哪些变量-假设上面提到的那些变量将不予处理。我没有意识到的是，删除这些变量将不仅限于ISE本届会议的范围-不仅是PowerShell全局的-而是系统全局的。我希望有人可以帮助我使ISE重新工作。 我的愚蠢： 
Remove-Variable *
...导致了一系列错误报告，之后我执行
dir variable:
时只剩下极少数（10-15）。认为这没什么大不了的，并且重启ISE可以使我恢复正常，所以我关闭了它-并且我无法启动它了。 其他症状 从那以后，我发现我丢失了诸如环境变量
%windir%
之类的东西-这是最有趣的转折，它阻止您打开高级系统设置（找不到
%windir%\\system32\\systempropertiesadvanced.exe
）来设置ENV备份。 ..（是的，我可以直接运行它） 更新：我发现了其他效果/症状：Windows报告说自动更新无法正常工作后，我可能没有Windows的正版版本。我还没有意识到，像某些ENV变量那样简单的事情会杀死它。嗯 那么-谁知道如何还原或重新创建成功运行ISE所需的环境？ （是的，我尝试过删除并重新添加该功能，并重新启动。）     
2020-03-16 3 条评论
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没有找到相关结果

    已邀请:

    孤捷侩

    我刚才在ISE中做了remove-Variable *，什么也没发生。我仍然可以打开ISE并照常工作。我还花了4英镑来看看真正删除的内容。 
    PS H:\\> Remove-Variable * -WhatIf
What if: Performing operation \"Remove Variable\" on Target \"Name: null\".
What if: Performing operation \"Remove Variable\" on Target \"Name: false\".
What if: Performing operation \"Remove Variable\" on Target \"Name: true\".
What if: Performing operation \"Remove Variable\" on Target \"Name: MaximumErrorCount\".
What if: Performing operation \"Remove Variable\" on Target \"Name: MaximumVariableCount\".
What if: Performing operation \"Remove Variable\" on Target \"Name: MaximumFunctionCount\".
What if: Performing operation \"Remove Variable\" on Target \"Name: MaximumAliasCount\".
What if: Performing operation \"Remove Variable\" on Target \"Name: MaximumDriveCount\".
What if: Performing operation \"Remove Variable\" on Target \"Name: Error\".
What if: Performing operation \"Remove Variable\" on Target \"Name: PWD\".
What if: Performing operation \"Remove Variable\" on Target \"Name: ?\".
What if: Performing operation \"Remove Variable\" on Target \"Name: MaximumHistoryCount\".
What if: Performing operation \"Remove Variable\" on Target \"Name: Host\".
What if: Performing operation \"Remove Variable\" on Target \"Name: HOME\".
What if: Performing operation \"Remove Variable\" on Target \"Name: ExecutionContext\".
What if: Performing operation \"Remove Variable\" on Target \"Name: PSVersionTable\".
What if: Performing operation \"Remove Variable\" on Target \"Name: PID\".
What if: Performing operation \"Remove Variable\" on Target \"Name: PSCulture\".
What if: Performing operation \"Remove Variable\" on Target \"Name: PSUICulture\".
What if: Performing operation \"Remove Variable\" on Target \"Name: ShellId\".
What if: Performing operation \"Remove Variable\" on Target \"Name: PSHOME\".
What if: Performing operation \"Remove Variable\" on Target \"Name: ConsoleFileName\".
What if: Performing operation \"Remove Variable\" on Target \"Name: $\".
What if: Performing operation \"Remove Variable\" on Target \"Name: ^\".
What if: Performing operation \"Remove Variable\" on Target \"Name: StackTrace\".
What if: Performing operation \"Remove Variable\" on Target \"Name: OutputEncoding\".
What if: Performing operation \"Remove Variable\" on Target \"Name: ConfirmPreference\".
What if: Performing operation \"Remove Variable\" on Target \"Name: DebugPreference\".
What if: Performing operation \"Remove Variable\" on Target \"Name: ErrorActionPreference\".
What if: Performing operation \"Remove Variable\" on Target \"Name: ProgressPreference\".
What if: Performing operation \"Remove Variable\" on Target \"Name: VerbosePreference\".
What if: Performing operation \"Remove Variable\" on Target \"Name: WarningPreference\".
What if: Performing operation \"Remove Variable\" on Target \"Name: ErrorView\".
What if: Performing operation \"Remove Variable\" on Target \"Name: NestedPromptLevel\".
What if: Performing operation \"Remove Variable\" on Target \"Name: ReportErrorShowExceptionClass\".
What if: Performing operation \"Remove Variable\" on Target \"Name: ReportErrorShowInnerException\".
What if: Performing operation \"Remove Variable\" on Target \"Name: ReportErrorShowSource\".
What if: Performing operation \"Remove Variable\" on Target \"Name: ReportErrorShowStackTrace\".
What if: Performing operation \"Remove Variable\" on Target \"Name: WhatIfPreference\".
What if: Performing operation \"Remove Variable\" on Target \"Name: FormatEnumerationLimit\".
What if: Performing operation \"Remove Variable\" on Target \"Name: PSEmailServer\".
What if: Performing operation \"Remove Variable\" on Target \"Name: PSSessionOption\".
What if: Performing operation \"Remove Variable\" on Target \"Name: PSSessionConfigurationName\".
What if: Performing operation \"Remove Variable\" on Target \"Name: PSSessionApplicationName\".
What if: Performing operation \"Remove Variable\" on Target \"Name: psUnsupportedConsoleApplications\".
What if: Performing operation \"Remove Variable\" on Target \"Name: PSBoundParameters\".
What if: Performing operation \"Remove Variable\" on Target \"Name: args\".
What if: Performing operation \"Remove Variable\" on Target \"Name: input\".
What if: Performing operation \"Remove Variable\" on Target \"Name: MyInvocation\".
What if: Performing operation \"Remove Variable\" on Target \"Name: _\".
What if: Performing operation \"Remove Variable\" on Target \"Name: psLocalHelp\".
What if: Performing operation \"Remove Variable\" on Target \"Name: psOnlineHelp\".
What if: Performing operation \"Remove Variable\" on Target \"Name: psISE\".
What if: Performing operation \"Remove Variable\" on Target \"Name: profile\".
    注意该列表中确实包含了所有内容。顺便说一句，这些只是ISE运行空间中的变量。我不确定删除这些变量将如何阻止ISE完全起作用。     
    2020-03-16 0 0
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    诧不达

    谢谢大家的帮助-这是我所做的，虽然我不确定到哪里都能使我100％回来，但它使我能够使用ISE，Hyper-V管理器并再次验证为正品。 我转到另一个Server 2008 R2框，比较了密钥并手动编辑了注册表，并将这些值添加回损坏的计算机： 
    HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment
  Path=C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\;
  PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
  PSModulePath=C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\Modules\\
  TEMP=C:\\Windows\\TEMP
  TMP=C:\\Windows\\TEMP
  windir=C:\\Windows
    我倾向于提高ISE的管理员特权，因为它比会话影响更大的根本原因。     
    2020-03-16 0 0
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