Delay installing it, if you can.
Just had to wait until installation finished and then the reboot after the pop-up, thanks @Anonymous
@Anonymous Can confirm that a daily "restart" is certainly helping my experience now with 1809.
Thanks for the tip
The resource management has never been great on the desktop version of Windows, I've never had this confirmed but I do think that it might be partly to discourage it's use for servers as server licences tend to be much more expensive.
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