Hi,
> 1. how do I keep it running?
I do not know, it's not a problem of Wampserver, but a problem of setting your system or Windows 10 itself. For example updates that start surreptitiously and as in Windows 10 can not avoid automatic updates ...
> 2. How do I autostart it so it need not be started manually?
Put the two services wampapache and wampmysqld on automatic start, but you can not access Wampmanager.
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Documentation Apache -
Documentation PHP -
Documentation MySQL -
Wampserver install files & addons