blocks|key|728131|text|问题是Windows无法重命名dart-sdk文件夹。对我来说，这是因为文件夹被某些进程锁定了。要解决这样的问题：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|728132|728133|转到资源监视器(在windows+10上:任务管理器>性能>打开资源监视器)|ordered-list-item|offset|length|style|BOLD|728134|CPU>相关句柄|728135|搜索dart-sdk|728136|<代码>H19结束锁定文件夹的进程|728137|entityMap^0|0|0|2|5|0|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|S|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|T|8|@$F|U|G|V|H|I]]|9|@]|A|$]]|$1|J|3|K|5|E|7|W|8|@]|9|@]|A|$]]|$1|L|3|M|5|E|7|X|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|Y|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|Q|$]]

The problem is that Windows is unable to rename the dart-sdk folder. For me it was because the folder was locked by some processes. To solve such problem:
<ol>
<li>Go to Resource Monitor (on windows 10 : Task Manager &gt; Performance &gt; Open Resource Monitor)</li>
<li>CPU &gt; Associated Handles</li>
<li>Search for dart-sdk</li>
<li>End processes locking the folder</li>
</ol>

blocks|key|2632165|text|关于@navid的回复：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2632166|是!这对我很管用。略有不同的路径(win+10)：|2632167|*open+'task+manager'/+'processes'*|code-block|syntax|javascript|2632168|然后只需查找“dart.exe”(无法安装dart)或任何困扰您的内容，然后重新运行您想要工作的进程。|2632169|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|O|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

Referring to @navid's reply:
YES! That worked for me. Slightly different path (win 10):
<pre><code>*open 'task manager'/ 'processes'*
</code></pre>
and then just look for 'dart.exe' (couldn't install dart) or whatever is bothering you and re-run the process you wanted to work.

blocks|key|720118|text|首先在图像上尝试解决方案。然后尝试以管理员身份运行IDE。如果这些解决方案都不起作用，请将flutter+sdk安装在其他目录中，然后更改PATH变量。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|720119|​|720120|📷|atomic|offset|length|720121|720122|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/63cacd120a2bb4c876193e7ae39521a6.png|imageAlt^0|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@$G|V|H|W|1|X]]|A|$]]|$1|I|3|C|5|6|7|Y|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q|R|-4]]]]

First try the solution on the image. Then try running your IDE as an administrator. If none of these solutions work, install your flutter sdk in a different directory and change the PATH variable. 

<a href="https://i.stack.imgur.com/RWsLV.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/RWsLV.png" alt="enter image description here"></a>

blocks|key|728179|text|我建议关闭任何IDE，特别是在后台运行的vs代码或android+studio，然后再次运行"flutter+upgrade“命令，它应该可以工作。基本上，我认为在后端发生的事情是flutter升级不能进行重命名，这一切都是因为dart.exe正在被其他程序处理(我想在我们的例子中是集成开发环境)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|728180|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I would suggest to just close whatever IDE specifically either vs code or android studio running in the background and then run the &quot;flutter upgrade&quot; command again and it should work. Basically, what I think was happening in the backend was that flutter upgrade wasn't able to do the renaming and all because dart.exe was engaged in process by some other program (IDE in our case I suppose).

blocks|key|2632217|text|关闭集成开发环境，打开flutter文件夹，然后打开文件夹bin，然后运行flutter.bin|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2632218|📷|atomic|offset|length|2632219|​|2632220|结果必须是这样的：|2632221|2632222|2632223|2632224|如果不关闭集成开发环境，您将在cmd.exe窗口中看到相同的错误。|2632225|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/c4880aba6b01ff80b3cdaf0cc5360bc6.png|imageAlt|1|https://ask.qcloudimg.com/http-save/yehe-900000/bc9ef10f11d677f646980577d8dbd4d3.png^0|0|0|1|0|0|0|0|0|0|1|1|0|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|11|8|@]|9|@$E|12|F|13|1|14]]|A|$]]|$1|G|3|H|5|6|7|15|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|16|8|@]|9|@]|A|$]]|$1|K|3|H|5|6|7|17|8|@]|9|@]|A|$]]|$1|L|3|C|5|D|7|18|8|@]|9|@$E|19|F|1A|1|1B]]|A|$]]|$1|M|3|H|5|6|7|1C|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|1D|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]]|Q|$R|$5|S|T|U|A|$V|W|X|-4]]|Y|$5|S|T|U|A|$V|Z|X|-4]]]]

Close your IDE, open your flutter folder then folder bin, and run flutter.bin
<a href="https://i.stack.imgur.com/NJ9YO.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/NJ9YO.png" alt="flutter.bin" /></a>
The result must be like this:
<a href="https://i.stack.imgur.com/nJKow.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/nJKow.png" alt="cmd.exe result" /></a>
If you do not close your IDE, you will see the same error in the cmd.exe window.

blocks|key|253593|text|关闭具有打开目录C:\src\flutter\bin\cache\dart-sdk的应用程序。IE/FileManager+open可能具有此位置。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|253594|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Close applications that have an open directory C:\src\flutter\bin\cache\dart-sdk
It is possible that IE/FileManager open has this location.

My previous Flutter version is installed in <code>C:\src\flutter</code>.

When I try to upgrade Flutter, I get this error:

<pre class="lang-none prettyprint-override"><code>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
</code></pre>

I think something is wrong with my drive permission on Windows, but I don't know how to solve it.

Rename-Item: Access to the path is denied (Flutter upgrade)

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我之前的Flutter版本是在C:\src\flutter中安装的。当我尝试升级Flutter时，我得到这个错误：Downloading Dart SDK from Flutter engineRename-Item : Access to the path 'C:\src\flutter\bin\cache\dart-sdk' is denied.At C:\src\flutter\bin\in

问Rename-Item:访问路径被拒绝(颤动升级)
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回答 6

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