old_contents: const path = require('path')
  const proc = require('child_process')
  
  function runUtilApp (cmd, file, stdioOptions) {
    console.log('runUtilApp: ')
  
    process.env.NODE_ENV = process.env.NODE_ENV || 'development'
    const utilAppDir = path.join(__dirname, 'lib', 'utilApp')
    const options = {
      env: process.env,
      cwd: utilAppDir,
      stdio: stdioOptions
    }
    cmd = cmd.split(' ')
    if (process.env.NODE_ENV === 'development') {
      cmd.push('--user-data-dir=brave-development')
    }
    const utilApp = proc.spawnSync('electron', [utilAppDir].concat(cmd), options)
    if (utilApp.error) {
      console.log('Could not run utilApp - run `npm install electron-prebuilt` and try again', utilApp.error)
    }
    return utilApp
  }
  
  module.exports = runUtilApp
  
new_contents: const path = require('path')
  const proc = require('child_process')
  
  function runUtilApp (cmd, file, stdioOptions) {
    console.log('runUtilApp: ')
  
    process.env.NODE_ENV = process.env.NODE_ENV || 'development'
    const utilAppDir = path.join(__dirname, 'lib', 'utilApp')
    const options = {
      env: process.env,
      cwd: utilAppDir,
      stdio: stdioOptions,
      shell: true
    }
    cmd = cmd.split(' ')
    if (process.env.NODE_ENV === 'development') {
      cmd.push('--user-data-dir=brave-development')
    }
    const utilApp = proc.spawnSync('electron', [utilAppDir].concat(cmd), options)
    if (utilApp.error) {
      console.log('Could not run utilApp - run `npm install electron-prebuilt` and try again', utilApp.error)
    }
    return utilApp
  }
  
  module.exports = runUtilApp
  
subject: Fix utilAppRunner for Windows