Angular 10在Windows 10下无法运行，执行ng serve时出错求助

Hey there! Let’s work through this Angular 10 issue together. Since I can’t see the error screenshot you mentioned, I’ll share the most common solutions that resolve ng serve failures on Windows 10—these fix most cases:

• Clean up dependencies and cache
  First, wipe out old dependencies and cached data that might be corrupted:

  1. Delete the node_modules folder and lock file in your project:

     rmdir /s node_modules
     del package-lock.json
     

  2. Reinstall fresh, uncorrupted dependencies:

     npm install
     

  3. Clear Angular’s global cache to eliminate stale build data:

     ng cache clean --force
     

• Verify Node.js version compatibility
  Angular 10 strictly requires Node.js versions between 12.x and 14.x (it doesn’t support 15+). Check your current version with:

  node -v
  

  If it’s outside this range, install a compatible LTS version (Node 14 works perfectly for Angular 10) and retry.

• Repair Angular CLI installation
  Outdated or mismatched CLI versions are a frequent culprit. Fix this by:

  1. Uninstall the global CLI to remove any broken instances:

     npm uninstall -g @angular/cli
     

  2. Reinstall the Angular 10-specific CLI globally:

     npm install -g @angular/cli@10.x.x
     

  3. Sync your local project’s CLI version to match the global one:

     npm install --save-dev @angular/cli@10.x.x
     

• Check for port conflicts
  The default ng serve port (4200) might be used by another app (like a local server or background service). Try running on a different port:

  ng serve --port 4201
  

  Or find and kill the process using port 4200 with:

  netstat -ano | findstr :4200
  

  Then use Task Manager to end the process with the matching PID.

• Temporarily disable security tools
  Windows Defender or third-party antivirus/firewall software sometimes blocks Angular’s file access during builds. Turn these off temporarily and run ng serve to test if that resolves the issue.

• Validate project configuration files
  Double-check your core config files for typos or incompatible settings:

  • Ensure the architect > serve section in angular.json has no path errors or invalid options.
  • Confirm tsconfig.json sets target to ES2015 or ES2016 (the compatible versions for Angular 10).

If none of these work, please share the exact error text from your terminal (copy-paste the key lines)—that will help me pinpoint the exact problem!

内容的提问来源于stack exchange，提问作者Emy