openclaw - 💡(How to fix) Fix [Bug]: Windows 关于 [email protected] 版本在安装时报错：Error [ERR_UNSUPPORTED_ESM_URL_SCHEME] [4 comments, 5 participants]

在 Windows 上执行安装脚本，配置好模型后到下一步时报错：Error [ERR_UNSUPPORTED_ESM_URL_SCHEME]。 在 Windows 上安装 OpenClaw，执行默认安装脚本 iwr -useb https://openclaw.ai/install.ps1 | iex，配置好模型后到下一步时报错：Error [ERR_UNSUPPORTED_ESM_URL_SCHEME]: Only URLs with a scheme in: file, data, and node are supported by the default ESM loader. On Windows, absolute paths must be valid file:// URLs. Received protocol 'c:' 安装过程中，配置好模型后到下一步时报错：Error [ERR_UNSUPPORTED_ESM_URL_SCHEME]: Only URLs with a scheme in: file, data, and node are supported by the default ESM loader. On Windows, absolute paths must be valid file:// URLs. Received protocol 'c:'

TL;DR

Downgrade OpenClaw from version 2026.4.5 to 2026.4.2 to resolve the Error [ERR_UNSUPPORTED_ESM_URL_SCHEME] issue.

Guidance

• The error is caused by an unsupported URL scheme in the default ESM loader, which can be resolved by downgrading OpenClaw.
• To verify the fix, run the installation script again after downgrading OpenClaw and check if the installation proceeds without errors.
• To mitigate the issue, avoid using absolute paths with the 'c:' protocol and instead use valid file:// URLs.
• Consider reporting the issue to the OpenClaw developers to ensure a permanent fix is implemented in future versions.

Example

No code snippet is provided as the issue is resolved through version downgrading.

Notes

The provided solution is a temporary workaround, and a permanent fix should be implemented by the OpenClaw developers.

Recommendation

Apply workaround: Downgrade to OpenClaw version 2026.4.2, as it is a known working version that resolves the Error [ERR_UNSUPPORTED_ESM_URL_SCHEME] issue.