Forgotten a lockscreen = .f. somewhere maybe?
Could be graphic driver related - update them, or test in a VM or another PC to see if the same happens.
Are there any third-party controls on it?
--
Alan Bourke
alanpbourke (at) fastmail (dot) fm
On Fri, 11 Jan 2019, at 1:21 PM, Paul Newton wrote:
> Hi all
>
> At the moment I have just one form that is displaying this behaviour.
> Has anybody seen this before? Any ideas as to cause or solution?
>
> Many thanks
>
> Paul Newton
>
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