SAPIEN Technologies

I doubt it has anything todo with the list box.
You are using System.Windows.Forms.DataVisualization.Charting.Chart which to my knowledge is not supported in anything past .NET Framework 4.8.1
I would surmise you are getting some error output on 7.4?

The manifest is an XML files. Most commonly writing that to the exe fails for two reasons: 1. Your AV software interferes. Even if it finds nothing it might temporarily block the file from being updated. This can be a timing thing or something specific to this project 2. Elements in your version res...

Can you please start PowerShell Studio elevated once, clicking the WMI browser button then.
Exit and start normally. Does that make any difference?

Your licensing department can add your SAPIEN ID as a user to the license. https://info.sapien.com/index.php/quickguides/managing-multiple-licenses-with-a-single-activation-key This will help you get better and faster support. If you have questions specific to your license and how to set this up, pl...

Please make sure to submit support requests from the account associated with your license and preferably in the forum section associated with your product.

This is the URL our server certificate uses for revocation checks:
http://crl.r2m01.amazontrust.com/r2m01.crl
There is no guarantee that this is a static URL.

It is through Amazon AWS, that is all I know at the moment. If I have more information I will let you know.
If you need an offline PowerShell Studio installer in the meantime, I can DM you a link.

This is a system message about verifying digital signatures. Most likely you system is trying to verify our website's certificate for https. That requires contacting a revocation server that lists bogus digital certificates that have been revokes. A double check so to speak. That URL is different fo...

Simplest way, at the end of your event handler you iterate through all elements in the list. Add 1 to counter if an item is checked. Once you iterated through all items and your counter is still zero, you know nothing is checked. At that point you can: A) Simply re-check the item that was clicked on...

That is a progress message. You cannot pipe that to null.
Try this:
$ProgressPreference = 'SilentlyContinue'