Unable to change app icon for exe file

[MIRTAHAALI]

Describe the bug

I am trying to change app icon for my exe file, attaching my electron-builder.yml file, the build is successful but my exe file icon does not change, it is 256x256 size and icon file, but does not show. Even install file icon change but not exe file.

appId: com.ownloader.app
productName: pepper-downloader
directories:
  buildResources: build
files:
  - '!**/.vscode/*'
  - '!src/*'
  - '!electron.vite.config.{js,ts,mjs,cjs}'
  - '!{.eslintcache,eslint.config.mjs,.prettierignore,.prettierrc.yaml,dev-app-update.yml,CHANGELOG.md,README.md}'
  - '!{.env,.env.*,.npmrc,pnpm-lock.yaml}'
  - '!{tsconfig.json,tsconfig.node.json,tsconfig.web.json}'
asarUnpack:
  - resources/**
extraResources:
  - from: build/icon.ico
    to: icon.ico
win:
  executableName: pepper-downloader
  icon: build/icon.ico
nsis:
  artifactName: ${name}-${version}-setup.${ext}
  shortcutName: ${productName}
  uninstallDisplayName: ${productName}
  createDesktopShortcut: always
mac:
  entitlementsInherit: build/entitlements.mac.plist
  extendInfo:
    - NSCameraUsageDescription: Application requests access to the device's camera.
    - NSMicrophoneUsageDescription: Application requests access to the device's microphone.
    - NSDocumentsFolderUsageDescription: Application requests access to the user's Documents folder.
    - NSDownloadsFolderUsageDescription: Application requests access to the user's Downloads folder.
  notarize: false
dmg:
  artifactName: ${name}-${version}.${ext}
linux:
  target:
    - AppImage
    - snap
    - deb
  maintainer: electronjs.org
  category: Utility
appImage:
  artifactName: ${name}-${version}.${ext}
npmRebuild: false
publish:
  provider: generic
  url: https://example.com/auto-updates

package.json

{
  "name": "pepper-downloader",
  "version": "1.0.0",
  "description": "",
  "main": "./out/main/index.js",
  "author": "MIRTAHAALI",
  "homepage": "https://electron-vite.org",
  "scripts": {
    "format": "prettier --write .",
    "lint": "eslint --cache .",
    "typecheck:node": "tsc --noEmit -p tsconfig.node.json --composite false",
    "typecheck:web": "tsc --noEmit -p tsconfig.web.json --composite false",
    "typecheck": "npm run typecheck:node && npm run typecheck:web",
    "start": "electron-vite preview",
    "dev": "electron-vite dev",
    "build": "electron-vite build",
    "postinstall": "electron-builder install-app-deps",
    "build:unpack": "npm run build && electron-builder --dir",
    "build:win": "npm run build && electron-builder --win",
    "build:mac": "electron-vite build && electron-builder --mac",
    "build:linux": "electron-vite build && electron-builder --linux"
  },
  "dependencies": {
    "@electron-toolkit/preload": "^3.0.1",
    "@electron-toolkit/utils": "^4.0.0",
    "@emotion/react": "^11.14.0",
    "@emotion/styled": "^11.14.0",
    "@iconify/react": "^6.0.0",
    "@mui/icons-material": "^7.1.1",
    "@mui/material": "^7.1.1",
    "@mui/x-data-grid": "^8.5.0",
    "@reduxjs/toolkit": "^2.8.2",
    "easydl": "^1.2.0",
    "express": "^5.1.0",
    "joi": "^17.13.3",
    "react-redux": "^9.2.0",
    "socket.io": "^4.8.1"
  },
  "devDependencies": {
    "@electron-toolkit/eslint-config-prettier": "^3.0.0",
    "@electron-toolkit/eslint-config-ts": "^3.0.0",
    "@electron-toolkit/tsconfig": "^1.0.1",
    "@types/node": "^22.14.1",
    "@types/react": "^19.1.1",
    "@types/react-dom": "^19.1.2",
    "@vitejs/plugin-react": "^4.3.4",
    "electron": "^35.1.5",
    "electron-builder": "^25.1.8",
    "electron-vite": "^3.1.0",
    "eslint": "^9.24.0",
    "eslint-plugin-react": "^7.37.5",
    "eslint-plugin-react-hooks": "^5.2.0",
    "eslint-plugin-react-refresh": "^0.4.19",
    "prettier": "^3.5.3",
    "react": "^19.1.0",
    "react-dom": "^19.1.0",
    "typescript": "^5.8.3",
    "vite": "^6.2.6"
  },
  "pnpm": {
    "onlyBuiltDependencies": [
      "electron",
      "esbuild"
    ]
  }
}

Used Scaffolding

create-electron

Used Package Manager

npm

Validations

• [x] Follow the Code of Conduct.
• [x] Read the Contributing Guidelines.
• [x] Read the docs.
• [x] Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.