How do you stop automatic updates on my VPS

Windows updates are mandatory, especially for Windows servers.

Windows Server 2016 upwards, sets a default period for an update. Windows can be set to make you set ‘Active Hours’ so that your server will reboot automatically outside of these hours.

If you wish to stop updates being made automatically you will need to follow, the following instructions: -

https://www.netzen.co.uk/2019/07/17/disable-windows-server-updates-active-hours/