您正在运行 `create-react-app` 4.0.3，它落后于最新版本 (5.0.0)。我们不再支持 Create React App 的全局安装

Question

C:\Users\lg\Desktop> npm uninstall -g create-react-app

up to date, audited 1 package in 216ms

found 0 vulnerabilities

C:\Users\lg\Desktop>npx clear-npx-cache
Need to install the following packages:
  clear-npx-cache
Ok to proceed? (y) y

C:\Users\lg\Desktop>npx create-react-app@5.0.0 reduxapp
Need to install the following packages:
  create-react-app@5.0.0
Ok to proceed? (y) y
npm WARN deprecated tar@2.2.2: This version of tar is no longer supported, and will not receive security updates. Please upgrade asap.

You are running `create-react-app` 4.0.3, which is behind the latest release (5.0.0).

We no longer support global installation of Create React App.

Please remove any global installs with one of the following commands:
- npm uninstall -g create-react-app
- yarn global remove create-react-app

The latest instructions for creating a new app can be found here:
https://create-react-app.dev/docs/getting-started/

C:\Users\lg\Desktop>npm i tar

up to date, audited 153 packages in 1s

6 packages are looking for funding
  run `npm fund` for details

3 high severity vulnerabilities

To address all issues (including breaking changes), run:
  npm audit fix --force

Run `npm audit` for details.

C:\Users\lg\Desktop>npx create-react-app@5.0.0 reduxapp

You are running `create-react-app` 4.0.3, which is behind the latest release (5.0.0).

We no longer support global installation of Create React App.

Please remove any global installs with one of the following commands:
- npm uninstall -g create-react-app
- yarn global remove create-react-app

The latest instructions for creating a new app can be found here:
https://create-react-app.dev/docs/getting-started/

我试图通过谷歌搜索解决它，但似乎出现错误，并且无法创建文件夹。

Answer 1

如果您最近在旧版本上运行过此操作，请尝试清除 npx-cache。

npx clear-npx-cache
npx install -g create-react-app react-app

Answer 2

下面的命令对我有用，

npx create-react-app@latest my-app

Answer 3

因此，这些是我为使其正常工作而采取的步骤：

npm uninstall -g create-react-app

npx create-react-app@latest my-app-name

Answer 4

清除 npx 缓存为我解决了这个问题：

npx clear-npx-cache