[Problem]

What is the impact?

ECC will not install

What happened?

PS C:\Users\Sheban> node --version v24.18.0 PS C:\Users\Sheban> git --version git version 2.55.0.windows.3 PS C:\Users\Sheban> claude --version 2.1.284 (Claude Code) PS C:\Users\Sheban> npx [email protected] setup npm error code ETARGET npm error notarget No matching version found for [email protected]. npm error notarget In most cases you or one of your dependencies are requesting a package version that doesn't exist. npm error A complete log of this run can be found in: C:\Users\Sheban\AppData\Local\npm-cache_logs\2026-09-29T07_31_38_375Z-debug-0.log PS C:\Users\Sheban> npx [email protected] install --guided npm error code ETARGET npm error notarget No matching version found for [email protected]. npm error notarget In most cases you or one of your dependencies are requesting a package version that doesn't exist. npm error A complete log of this run can be found in: C:\Users\Sheban\AppData\Local\npm-cache_logs\2026-09-29T07_32_43_860Z-debug-0.log PS C:\Users\Sheban> npx [email protected] install --guided --harness codex --dry-run npm error code ETARGET npm error notarget No matching version found for [email protected]. npm error notarget In most cases you or one of your dependencies are requesting a package version that doesn't exist. npm error A complete log of this run can be found in: C:\Users\Sheban\AppData\Local\npm-cache_logs\2026-09-29T07_33_03_556Z-debug-0.log PS C:\Users\Sheban> npx [email protected] install --profile core --target kimi --dry-run npm error code ETARGET npm error notarget No matching version found for [email protected]. npm error notarget In most cases you or one of your dependencies are requesting a package version that doesn't exist. npm error A complete log of this run can be found in: C:\Users\Sheban\AppData\Local\npm-cache_logs\2026-09-29T07_33_07_312Z-debug-0.log PS C:\Users\Sheban>

Harness

Claude Code

Install method

ecc or ecc-install CLI

Operating system

Windows (WSL)

ECC and harness versions

No response

Optional redacted diagnostics

PS C:\Users\Sheban> node --version v24.18.0 PS C:\Users\Sheban> git --version git version 2.55.0.windows.3 PS C:\Users\Sheban> claude --version 2.1.284 (Claude Code) PS C:\Users\Sheban> npx [email protected] setup npm error code ETARGET npm error notarget No matching version found for [email protected]. npm error notarget In most cases you or one of your dependencies are requesting a package version that doesn't exist. npm error A complete log of this run can be found in: C:\Users\Sheban\AppData\Local\npm-cache_logs\2026-09-29T07_31_38_375Z-debug-0.log PS C:\Users\Sheban> npx [email protected] install --guided npm error code ETARGET npm error notarget No matching version found for [email protected]. npm error notarget In most cases you or one of your dependencies are requesting a package version that doesn't exist. npm error A complete log of this run can be found in: C:\Users\Sheban\AppData\Local\npm-cache_logs\2026-09-29T07_32_43_860Z-debug-0.log PS C:\Users\Sheban> npx [email protected] install --guided --harness codex --dry-run npm error code ETARGET npm error notarget No matching version found for [email protected]. npm error notarget In most cases you or one of your dependencies are requesting a package version that doesn't exist. npm error A complete log of this run can be found in: C:\Users\Sheban\AppData\Local\npm-cache_logs\2026-09-29T07_33_03_556Z-debug-0.log PS C:\Users\Sheban> npx [email protected] install --profile core --target kimi --dry-run npm error code ETARGET npm error notarget No matching version found for [email protected]. npm error notarget In most cases you or one of your dependencies are requesting a package version that doesn't exist. npm error A complete log of this run can be found in: C:\Users\Sheban\AppData\Local\npm-cache_logs\2026-09-29T07_33_07_312Z-debug-0.log PS C:\Users\Sheban>