blocks|key|2640896|text|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2640897|尝试在升级节点版本后运行"npm+install“命令之前删除package-lock.json文件。|ordered-list-item|2640898|2640899|2640900|如果这样做不起作用，请尝试删除本文中提到的$HOME目录中的.npmrc文件。|2640901|2640902|NPM+ERR+Code+E401:+Unable+to+authenticate,+need:+Bearer+authorization|offset|length|2640903|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/59894644/npm-err-code-e401-unable-to-authenticate-need-bearer-authorization^0|0|0|0|0|0|0|0|1X|0|0^^$0|@$1|2|3|-4|4|5|6|U|7|@]|8|@]|9|$]]|$1|A|3|B|4|C|6|V|7|@]|8|@]|9|$]]|$1|D|3|-4|4|5|6|W|7|@]|8|@]|9|$]]|$1|E|3|-4|4|5|6|X|7|@]|8|@]|9|$]]|$1|F|3|G|4|C|6|Y|7|@]|8|@]|9|$]]|$1|H|3|-4|4|5|6|Z|7|@]|8|@]|9|$]]|$1|I|3|J|4|5|6|10|7|@]|8|@$K|11|L|12|1|13]]|9|$]]|$1|M|3|-4|4|5|6|14|7|@]|8|@]|9|$]]]|N|$O|$4|P|Q|R|9|$S|T]]]]

<ol>
<li>Try Deleting the package-lock.json file before running the command &quot;npm install&quot; after upgrading the node versions, if you have not done that.
</li>
<li>If that will not work try removing the .npmrc file in $HOME directory as mentioned in this post.
</li>
</ol>
<a href="https://stackoverflow.com/questions/59894644/npm-err-code-e401-unable-to-authenticate-need-bearer-authorization">NPM ERR Code E401: Unable to authenticate, need: Bearer authorization</a>

blocks|key|1804588|text|在目录C/Users/your-windows-username/中|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1804589|删除以下文件：|1804590|.cache
.package
.package-lock
.npmrc|code-block|syntax|javascript|1804591|之后，转到您的项目并在您的终端中运行以下命令|1804592|npm+i|1804593|entityMap^0|3|U|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|V|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|W|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|X|8|@]|D|@]|E|$]]|$1|O|3|P|5|J|7|Y|8|@]|D|@]|E|$K|L]]|$1|Q|3|-4|5|6|7|Z|8|@]|D|@]|E|$]]]|R|$]]

In the directory <code>C/Users/your-windows-username/</code>
delete the following files:
<pre><code>.cache
.package
.package-lock
.npmrc
</code></pre>
After that, go to your project and run the following command in your terminal
<pre><code>npm i
</code></pre>

blocks|key|4063489|text|在Node16.x.x上，也有同样的问题。，我已经从这个主题开始做了所有的事情，这里提到的那些主题都没有帮助到我！|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|4063490|唯一帮助我登录的是我从-+删除了节点16.x.x和安装了节点14.8.1|4063491|entityMap^0|D|8|0|B|D|P|B|0^^$0|@$1|2|3|4|5|6|7|J|8|@$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|M|8|@$9|N|A|O|B|C]|$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|H|3|-4|5|6|7|R|8|@]|D|@]|E|$]]]|I|$]]

Had the same issue with Node 16.x.x.
I have done everything from this topic and those topics which were mentioned here and nothing helped me!
The only thing that helped me to login was that I have deleted Node 16.x.x and installed Node 14.8.1 from here - <a href="https://nodejs.org/en/download/releases/" rel="nofollow noreferrer">https://nodejs.org/en/download/releases/</a>

blocks|key|2641038|text|在运行npm+run+dev之后，我最近在不同的项目中得到了相同的错误|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2641039|npm+ERR!+code+E401
npm+ERR!+Incorrect+or+missing+password.|code-block|syntax|javascript|2641040|解决这个问题的方法是删除我的package-lock.json文件(以及任何yarn.lock文件，这可能会与npm产生冲突)和node_modules目录。然后我用npm+update更新了我的npm包。(注意:在更新任何npm包之前，您可能应该创建一个新的Git分支，并在该新分支中运行npm+update。如果您在更新后遇到更大的问题，那么您可以恢复到以前的分支。)|2641041|在我的包更新后，运行我的npm启动脚本(例如npm+run+dev)再次工作，没有错误。|2641042|注意:您可以运行npm+outdated来查看哪些npm包可以使用更新。|2641043|entityMap^0|3|B|0|0|E|H|12|9|1S|C|2B|A|41|A|0|M|B|0|8|C|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|V|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|W|8|@$9|X|A|Y|B|C]|$9|Z|A|10|B|C]|$9|11|A|12|B|C]|$9|13|A|14|B|C]|$9|15|A|16|B|C]]|D|@]|E|$]]|$1|M|3|N|5|6|7|17|8|@$9|18|A|19|B|C]]|D|@]|E|$]]|$1|O|3|P|5|6|7|1A|8|@$9|1B|A|1C|B|C]]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|1D|8|@]|D|@]|E|$]]]|R|$]]

I have been getting the same error recently on various projects after running <code>npm run dev</code>:
<pre><code>npm ERR! code E401
npm ERR! Incorrect or missing password.
</code></pre>
What fixed it for me was to delete my <code>package-lock.json</code> file (and any <code>yarn.lock</code> files, which might create conflicts with npm) and the <code>node_modules</code> directory. Then I updated my npm packages with <code>npm update</code>. (CAUTION: Before updating any npm packages, you should probably create a new Git branch and run <code>npm update</code> in that new branch. If you run into bigger problems after the updates, then you can revert back to your previous branch.)
After my packages were updated, then running my npm startup script (e.g. <code>npm run dev</code>) worked again without errors.
NOTE: You can run <code>npm outdated</code> to see which of your npm packages could use an update.

blocks|key|1804748|text|我在.npmrc中配置的公司注册表中出现了相同的错误|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1804749|registry=https:<company-registry-url>|code-block|syntax|javascript|1804750|节点版本:+16.10.0|1804751|NPM版本:+7.24.0|1804752|解决方案：|BOLD|1804753|执行npm+login|1804754|$+npm+login
npm+notice+Log+in+on+https:<registry-url>
Username:+xxxx
Password:
Email:+(this+IS+public)+(xxxx)
Logged+in+as+xxx+on+https:<registry-url>.|1804755|在此.npmrc更新为|1804756|//<registry-url>/:_authToken=xxxxx|1804757|entityMap^0|2|6|0|0|0|0|0|5|0|2|9|0|0|2|6|0|0^^$0|@$1|2|3|4|5|6|7|11|8|@$9|12|A|13|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|14|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|15|8|@]|D|@]|E|$]]|$1|M|3|N|5|6|7|16|8|@]|D|@]|E|$]]|$1|O|3|P|5|6|7|17|8|@$9|18|A|19|B|Q]]|D|@]|E|$]]|$1|R|3|S|5|6|7|1A|8|@$9|1B|A|1C|B|C]]|D|@]|E|$]]|$1|T|3|U|5|H|7|1D|8|@]|D|@]|E|$I|J]]|$1|V|3|W|5|6|7|1E|8|@$9|1F|A|1G|B|C]]|D|@]|E|$]]|$1|X|3|Y|5|H|7|1H|8|@]|D|@]|E|$I|J]]|$1|Z|3|-4|5|6|7|1I|8|@]|D|@]|E|$]]]|10|$]]

I had the same error with the company registry configured in <code>.npmrc</code>
<pre><code>registry=https:&lt;company-registry-url&gt;
</code></pre>
Node version : 16.10.0 
NPM version : 7.24.0
Solution:
Execute <code>npm login</code>
<pre><code>$ npm login
npm notice Log in on https:&lt;registry-url&gt;
Username: xxxx
Password:
Email: (this IS public) (xxxx)
Logged in as xxx on https:&lt;registry-url&gt;.
</code></pre>
After this <code>.npmrc</code> got updated with
<pre><code>//&lt;registry-url&gt;/:_authToken=xxxxx
</code></pre>

blocks|key|2641112|text|这可能是因为npm上的一个bug造成的。这就是npm+v7在我身上发生的事情。切换到v6，它起作用了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2641113|更多背景信息：https://github.com/npm/cli/pull/2153|offset|length|2641114|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/npm/cli/pull/2153^0|0|7|10|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

It can be happening because of a bug on npm. This was happening to me with npm v7. Switched to v6 and it worked.
More context: <a href="https://github.com/npm/cli/pull/2153" rel="nofollow noreferrer">https://github.com/npm/cli/pull/2153</a>

My Node version is 10.15.0 and NPM version is 6.8.4
On running npm install after upgrading
npm to 14.16.0 and npm to 7.6.2
Getting this error -
<pre><code>npm ERR! code E401
npm ERR! Incorrect or missing password.
npm ERR! If you were trying to login, change your password, create an
npm ERR! authentication token or enable two-factor authentication then
npm ERR! that means you likely typed your password in incorrectly.
npm ERR! Please try again, or recover your password at:
npm ERR! https://www.npmjs.com/forgot
npm ERR! 
npm ERR! If you were doing some other operation then your saved credentials are
npm ERR! probably out of date. To correct this please try logging in again with:
npm ERR! npm login

npm ERR! A complete log of this run can be found in:
npm ERR! /Users/xyz/.npm/_logs/2021-04-15T18_55_07_993Z-debug.log
</code></pre>

npm ERR! code E401 npm ERR! Incorrect or missing password

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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将NPM升级到14.16.0，npm升级到7.6.2后运行npm install，我的Node版本是10.15.0，npm版本是6.8.4得到这个错误-npm ERR! code E401npm ERR! Incorrect or missing password.npm ERR! If you were trying...

问npm错误！code E401 npm错误！密码不正确或丢失
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