Do you have the right version of Guest Additions installed on your
guests? I also have Windows 10 as a VM in VirtualBox (though it's
FreeBSD 11), but it works for me without any problems.
On Wed, 2017-06-14 at 11:54 +0100, Gary Palmer wrote:
> Ever since upgrading from vbox 4 (which had occasional window placement
> or size issues, but nothing serious), vbox 5 has consistently had a problem
> where on starting a VM the window height is always reset to a fraction of
> what it should be. If I size the window properly by hand, and then select
> View -> Adjust Window Size it goes back to the wrong size again.
> Anyone else seen this?
> With Win10 it's worse - unless I maximise the window it keeps getting reset
> to the wrong height, I think by communication with the additions installed
> in the client.
> virtualbox-ose-5.1.22_1 General-purpose full virtualizer for x86
> virtualbox-ose-kmod-5.1.22 VirtualBox kernel module for FreeBSD
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