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Rename-Item:访问路径被拒绝(Flutter升级)

我之前的 Flutter 版本安装在C:\src\flutter.

当我尝试升级 Flutter 时,出现以下错误:

Downloading Dart SDK from Flutter engine
Rename-Item : Access to the path 'C:\src\flutter\bin\cache\dart-sdk' is denied.
At C:\src\flutter\bin\internal\update_dart_sdk.ps1:51 char:5
+     Rename-Item $dartSdkPath "$oldDartSdkPrefix$oldDartSdkSuffix"
+     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : WriteError: (C:\src\flutter\bin\cache\dart-sdk:String) [Rename-Item], IOException
    + FullyQualifiedErrorId : RenameItemIOError,Microsoft.PowerShell.Commands.RenameItemCommand
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我认为我在 Windows 上的驱动器权限有问题,但我不知道如何解决。

windows file-permissions dart flutter

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