Windows 10 Pro x64环境下Node.js安装及npm更新报错求助

Hey there, let's work through that npm update error you're running into. From the error log snippet you shared:

0 info it worked if it ends with ok
1 verbose cli [ 'Z:\Program\nodejs\node.exe', ...

This is usually tied to cache corruption or permission hiccups—even when running as admin, Windows can throw odd blocks. Here's what you can try step by step:

• Clear the npm cache first
  Corrupted cache files are the #1 cause of these update failures. Fire up your admin PowerShell and run:
  npm cache clean --force
  This wipes out any cached packages that might be conflicting with the update.

• Retry the targeted update command
  With the cache cleared, run the update command again in that elevated PowerShell window:
  npm install -g npm@5.8.0
  Double-check you're still using admin rights—regular user sessions often hit hidden permission walls even if you think you're set up correctly.

• Manually replace the npm installation (if the above fails)
  If the command line method doesn't work, this hands-on approach is reliable:

  1. Open File Explorer and navigate to your Node.js install folder: Z:\Program\nodejs
  2. Delete the npm and npm.cmd files in the root directory
  3. Go into the node_modules subfolder and delete the npm folder inside it
  4. Grab the npm 5.8.0 source package, extract it, and copy the entire npm folder into Z:\Program\nodejs\node_modules
  5. From the extracted npm folder's bin directory, copy npm and npm.cmd back to the root of your Node.js install folder

• Check your PowerShell execution policy
  Sometimes a strict policy blocks npm's update scripts. Run this in admin PowerShell to adjust it:
  Set-ExecutionPolicy RemoteSigned
  When prompted, type Y to confirm the change.

Once you've tried these steps, run npm -v in your PowerShell to confirm you're now on version 5.8.0.

内容的提问来源于stack exchange，提问作者Phrosen