Dear Paul,

I also register this behaviour both on sierra and on Catalina.  Mostly, these 
system dialogues are not that important but occasionally they are.  The way I 
explore them to act upon the ones that are important is to invoke application 
chooser menu.  Only then will you be able to arrow down the list of these 
windows and one of them will be system related.  Expand them if you need to 
with right arrow key and vo=spacebar or return on the ones that are either 
system alarms or notifications or something else calling for your attention.

If you don’t find anything interesting - as some of these windows are empty, 
escape will get you out of the application chooser menu.

Best wishes & stay well

Andrew
> On 27 Mar 2020, at 12:21, Brianna Snyder <briannasnyde...@gmail.com> wrote:
> 
> Hi, 
> 
> Never knew you could do it that way before. Thanks!
> 
> Brianna 
> 
> On Mar 26, 2020, at 3:28 PM, Brad Snyder <wb...@swbell.net 
> <mailto:wb...@swbell.net>> wrote:
> 
>> Hi Brianna,
>> 
>> This is a standard VO Trackpad Commander gesture, and it works without 
>> positioning your hand sideways, with the palm oriented toward the center of 
>> the trackpad.  Just keep your fingers close together, and the outside finger 
>> close to the edge of the trackpad, and the gesture will perform the action 
>> as you described.
>> 
>> HTH
>> 
>> - Brad -
>> 
>> 
>> On Mar 26, 2020, at 13:16, Brianna Snyder <briannasnyde...@gmail.com 
>> <mailto:briannasnyde...@gmail.com>> wrote:
>> 
>> Hi guys, 
>> 
>> I have my trackpad commander turned on. Now, I don't remember if I had to 
>> set this up as I've had it for a while,  but with two fingers on the right, 
>> I double-tap and can see my system dialogues. On the other side, I can do 
>> the same thing and access the application chooser. 
>> Now, when you do this, you have to position your hands sideways, so that 
>> your palms face the part of the Mac where your wrists would go while typing. 
>> Hopefully I've explained that well enough. 
>> Just figured it was another way to help. 
>> 
>> Brianna
>> 
>> 
>> On Mar 26, 2020, at 11:56 AM, Brad Snyder <wb...@swbell.net 
>> <mailto:wb...@swbell.net>> wrote:
>> 
>>> I hear VO make these kinds of announcements and find there is nothing.  I 
>>> hear it frequently on the log-on screen.  It is nothing new to Catalina.  
>>> I'm still running High Sierra on my Mac mini, and hear these announcements 
>>> all the time.  I’ve learned to not worry about it.  
>>> 
>>> - Brad -
>>> 
>>> 
>>> On Mar 26, 2020, at 09:46, Paul Hopewell <hopew...@hopewell.org.uk 
>>> <mailto:hopew...@hopewell.org.uk>> wrote:
>>> 
>>> Hello,
>>> I have recently updated my iMac to the latest Catalina 10.15.4. From time 
>>> to time and after initial logon I hear a message that 5 system dialogues 
>>> are active. How can I find these dialogues and fix them?
>>> Many thanks and keep well … Paul Hopewell
>>> 
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