Bug: Installation fails with `electron-builder >= 26.0.3` when using 32-bit Node.js due to missing `7z-ia32.exe`

[kvswamy86]

Affected Package

• electron-winstaller: indirect dependency via electron-builder
• electron-builder: starting from 26.0.3 (Before version its working)

Environment

• OS: Windows 11
• Node.js: v22.17.1 (32-bit, x86)
• NPM: 10.x.x
• electron-builder: 26.0.3 and above
• electron-winstaller: as pulled via electron-builder
• Usage context: Building Electron app with NSIS target
• App is inside a monorepo using Electron + NSIS configuration

---

Problem Summary

When installing dependencies (npm install) for a project using electron-builder >= 26.0.3, the install fails immediately on 32-bit Node.js, throwing:
Error: ENOENT: no such file or directory, copyfile ...\vendor\7z-ia32.exe → ...\vendor\7z.exe

Reproduction Steps

Use 32-bit Node.js (ia32 build)
Set electron-builder version to 26.0.3 or higher
Run npm install
Observe that installation fails immediately with missing 7z-ia32.exe error

json
{
"devDependencies": {
"electron": "30.0.0",
"electron-builder": "26.0.3"
}
}

[wjx0912]

64 bit work normal; 32 bit same problem, reproduction:

nvm use 22.17.0 32
set npm_config_platform=win32
set npm_config_arch=ia32
npm install