Bug type

Regression (worked before, now fails)

Summary

Fail to install openclaw in Powershell with iwr -useb https://openclaw.ai/install.ps1 | iex

Steps to reproduce

just excute iwr -useb https://openclaw.ai/install.ps1 | iex

Expected behavior

install successfully

Actual behavior

Failed. Details as follow:

PS C:\Users\AMD> iwr -useb https://openclaw.ai/install.ps1 | iex

OpenClaw Installer

[OK] Windows detected
[OK] Node.js v24.14.0 found
[*] Installing OpenClaw (openclaw@latest)...
npm.cmd : npm error code UNABLE_TO_VERIFY_LEAF_SIGNATURE
所在位置 行:474 字符: 22

• ... npmOutput = & (Get-NpmCommandPath) install -g "$packageName@$Tag" 2>& ...

•             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

  • CategoryInfo : NotSpecified: (npm error code ..._LEAF_SIGNATURE:String) [], RemoteException
  • FullyQualifiedErrorId : NativeCommandError

OpenClaw version

2026.3.13

Operating system

Windows 11

Install method

iwr -useb https://openclaw.ai/install.ps1 | iex

Model

None

Provider / routing chain

None

Config file / key location

No response

Additional provider/model setup details

No response

Logs, screenshots, and evidence

Impact and severity

No response

Additional information

No response