Huh, interesting behavior you're seeing there.  I just played around with
the virtual desktops feature, then force-killed explorer (the 'root'
process), and then used File->New Task, typed 'explorer' in the box, and
hit enter.  It all came back no issue, other than closing the couple of
file explorer windows I had open.

Maybe I'm misunderstanding, but 'force kill explorer -> start a new
explorer task' has been my go-to Windows fix for most things for the last
20 years or so, and has worked without a hitch in every case for me (except
for a handful of times on Vista, but uh, Vista...). :)

Perhaps I've just been lucky?  Maybe the other 'explorer.exe' processes
running in your case were masking the issue -- IIRC, explorer does the
'root' check on startup -- if no other instances of explorer.exe are
running, it assumes complete control.  I can't remember the exact blog post
I read about this, but I think it was from Raymond Chen, who's been on the
Windows internals team forever.

But hey, you've got a fix that works for you, so at this point I'm just
nerd sniping myself.  Thanks for the puzzle and the tip! :)

Jake

On Sun, Aug 11, 2024 at 9:16 PM Thomas Passin <tbp100...@gmail.com> wrote:

> Even if you can open a new instance of Windows Explorer, you have to open
> it in a special way for it to take over the desktop function.  Otherwise it
> will just show you the usual list of files.  The one time I managed to kill
> the root instance, I couldn't find a key combination that did anything.  I
> forget how I eventually shut down; it was too long ago.  I might have just
> held the power button down long enough.
>
> I think this virtual desktops feature is one of Win 10's better ones.  In
> addition to <Windows Key>-<Tab>, you can move between adjacent desktops
> with <Windows Key> - <Ctrl> - <right-or-left arrow>, and this doesn't
> suffer from a lag.  Before this will work, you need to create another
> virtual desktop, which you can do with the <Windows Key> - <Tab> combo. On
> the display you will see a "+" sign labeled by "New Desktop".  That's how
> you create new ones.  I don't know if once created they can be removed.
>
> On Sunday, August 11, 2024 at 7:50:36 PM UTC-4 gates...@gmail.com wrote:
>
>> Interesting find.
>>
>> IIRC the Ctrl+Alt+Del menu is part of the Kernel, and interrupts
>> everything else happening on a Windows box.  If you manage to completely
>> nuke Explorer, you should pretty much always be able to three-finger-salute
>> into a Task Manager and go File->New Task and fire off a new ‘explorer.exe’
>> to un-bork yourself.  If the Task Manager is not working, then something is
>> seriously wrong :)
>>
>> I break Windows quite often, but I don’t use virtual desktops.  I
>> honestly didn’t even know Windows 10 had that feature :)
>>
>> Jake
>>
>> On Aug 11, 2024, at 5:32 PM, Thomas Passin <tbp1...@gmail.com> wrote:
>>
>> This isn't about Leo but I can't be the only one affected by this
>> problem, which can be very annoying.
>>
>>
>> I use many virtual desktops in my daily computing.  Usually I have at
>> least four, and sometimes up to six.  For example, my browser and email
>> client are in one.  Leo and associated folders, command windows, etc., are
>> in another, and so on.
>>
>> The problem is in switching from one to another.  <Windows key>-<Tab>
>> brings up a special view of all the desktops where you can choose one.  In
>> this view you can also move an application from one desktop to another.
>> Over time, switching to this overview gets slower and slower until it
>> becomes intolerable.  I've searched the internet without success.  The only
>> cure I knew before today was to log off and log back in.
>>
>> Here's what turns out to be happening. The desktop on your screen, the
>> thing that has a background and the file icons, is a special view created
>> by one particular root instance of Windows Explorer. It starts to use more
>> and more memory over time for reasons unknown to me.  When its "Working
>> Set" of memory gets too large,  that's when opening the desktop overview
>> gets slow.
>>
>> You can see this and take care of the problem with the Task Manager
>> program.  Look in the "Processes" tab and find all the instances of Windows
>> Explorer, normally near the bottom in a display sorted alphabetically. How
>> will you know the right instance?  Most of the Window Explorer instances
>> will show 3 or 4 MB of memory, while one will show over 100 MB.  That's the
>> one.  I've seen it get up nearly to 300 MB. That's when you get the big
>> lags.  Mine is now 145 MB and there isn't a lag in showing the desktop
>> overview. But mine has been slowly climbing all afternoon.
>>
>> Don't kill this process or you won't be able to communicate with the
>> computer (I learned that the hard way). There is a button in the lower
>> right of the Task Manager that usually reads "End Task". You will notice
>> that when you select a Windows Explorer task that label changes to
>> "Restart".  That's what you want to do. Click on it.
>>
>> The desktop behind your application windows will go blank for a second or
>> so, then  rebuild itself.  And your virtual desktop overview will be
>> responsive again.
>>
>> I don't know if Windows 11 has the same problem since I've never been
>> around a Windows 11 computer.
>>
>>
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