I should also point out that:
a) I hadn’t knowingly updated J itself or any addons during or since 
yesterday’s session.
b) I’m not aware of any other changes between yesterday’s Windows or J 
environment (ok for Jqt) and today’s.
Thanks,
Mike

Sent from my iPad

> On 17 May 2022, at 07:34, 'Michael Day' via Programming 
> <programm...@jsoftware.com> wrote:
> 
> Hello.  I tried to wake up my laptop from sleep just now,  as usual - ie I 
> leave it in sleep mode while I'm asleep...
> But,  as occasionally happens, it must have restarted,  and nothing was open.
> 
> (I wanted to explore the Babylon Spiral topic,  which I've just woken up to 
> see!)
> 
> I now find that Jqt doesn't display any window when I start it.  I can see it 
> in Task Manager but it's not usable.
> This goes for both J904 beta-c and J903.
> 
> I recall this happening before,  a few years ago, but can't remember how we 
> got round the problem; perhaps it
> just went away.
> 
> Yes,  I did do a full stop and reboot of Windows.  As far as I can see,  
> Windows has NOT done a surreptitious
> update while I wasn't looking.  It's Windows 11 Home,  version 21H2,  
> installed on 26/10/21, OS build 22000.65 ,
> Windows Feature Experience Pack 1000.22000.675.0  (very round numbers!?)
> 
> I'm nothing like as proficient in using J in other manifestations, ie JHS & 
> Jconsole.
> 
> HELP!
> 
> Thanks,
> 
> Mike
> 
> PS - I'll keep trying to run from time to time - will report if Jqt suddenly 
> decides to reveal itself.
> 
> 
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