Without any app or service listening on it – it may be due to hns – Host Networking Service – try restarting it to see if desired ports are available
Restart-Service -Name hnsor add your range to exclusion: https://dandini.wordpress.com/2019/07/15/administered-port-exclusions-blocking-high-ports/
Custom functions can be defined and loaded in every new session. To check where to save custom functions run:
if (!(Test-Path -Path $PROFILE )) {
[void](New-Item -Type File -Path $PROFILE -Force)
}
$PROFILEIf file does not exists it will be created.
Please note that this requires execution policy for powershell scripts.