$users = Get-Content users.txt
foreach ($u in $users) {
	Write-Host $u
	$username = ('domain\' + $u)
	$password = 'password'
	$cred = New-Object System.Management.Automation.PSCredential -ArgumentList @($username,(ConvertTo-SecureString -String $password -AsPlainText -Force))
	Start-Process "C:\asd\fd.exe" -LoadUserProfile -Credential $cred
}