BatchExplorer will not run under Mac OS-X 10.15.4
BatchExplorer-2.7.0-stable.418.dmg will not run as an application because
"Apple cannot check it for malicious software"
See attached screenshot

I'm seeing the same issue on 10.15.6 - we need to enable notarization on the .dmg. We'll look into this.
This isn't a great answer, but there is a work-around to disable Gatekeeper in the meantime: run sudo spctl --master-disable and in System Preferences under Security > General, enable "All apps" to run. (Note that this disables Gatekeeper globally, so use at your own risk.)
A better work-around until we can get the app notarized: Right click (or control-click) on the BatchExplorer application and select open. This will still display a warning, but you should be able to bypass it and run the app.
Thanks
FYI, this process of right click – open , seems to require several attempts to be recognised. First attempt you just come up with the security violation again, second attempt OS-X shows you an “open” button.
NB, upgraded to 2.7.0 build 428
I am possibly seeing some issues with creating a batch account, so might raise another ticket later.
Regards, Keith
From: David Watrous [email protected] Reply to: Azure/BatchExplorer [email protected] Date: Wednesday, 29 July 2020 at 15:28 To: Azure/BatchExplorer [email protected] Cc: TalboTekLtd [email protected], Author [email protected] Subject: Re: [Azure/BatchExplorer] BatchExplorer will not run under Mac OS-X 10.15.4 (#2182)
A better work-around until we can get the app notarized: Right click (or control-click) on the BatchExplorer application and select open. This will still display a warning, but you should be able to bypass it and run the app.
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This is still an issue. The error-message has however changed to a more generic one.
Right-clicking and opening does not work for me.
I had issues with trying to get BatchExplorer to launch on a M1 Mac with Big Sur. I had to run the following command in Terminal to allow it to open:
sudo spctl --add /Applications/BatchExplorer.app
sudo xattr -d com.apple.quarantine /Applications/BatchExplorer.app