Wireguard "Access Denied" fix on Windows 10+

wireguard-access-fix.ps1

$rule = New-Object System.Security.AccessControl.RegistryAccessRule(
    "NT AUTHORITY\NETWORK SERVICE",                                    # IdentityReference
    [System.Security.AccessControl.RegistryRights]::FullControl,      # RegistryRights
    [System.Security.AccessControl.InheritanceFlags]::ContainerInherit, # InheritanceFlags
    [System.Security.AccessControl.PropagationFlags]::None,           # PropagationFlags
    [System.Security.AccessControl.AccessControlType]::Allow          # AccessControlType
)

$registry_keys = "Dhcp", "Tcpip", "Tcpip6", "TCPIPTUNNEL", "TCPIP6TUNNEL"
$registry_folder = "HKLM:\SYSTEM\CurrentControlSet\Services\{registry_key}"


foreach ($registry_key in $registry_keys) 
{
    $full_registry_key = $registry_folder.Replace("{registry_key}", $registry_key)

    $acl = Get-Acl $full_registry_key
    $acl.AddAccessRule($rule)
    Set-Acl -Path $full_registry_key -AclObject $acl
}