When I launch the menu item "Choose plugin" from any track, BIAB crashes and I have to kill it with the task manager.
My configuration : Band-in-a-Box® for Windows, Version 2024 (1106) (last version).

Please, Could you help me to solve this problem ?

Doesn't happen in my setup.

Is it crashing when you actually press "Choose plugin" menu or when you choose plugin in the pop up?
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I know that some plugins don't allow multiple instances. Sometimes e-licencers are not very stable. Especially Steinberg. Can you restart computer, open just BIAB and try "Choose plugin" again to eliminate any third party interference?

Right-click on the BiaB desktop icon and select 'Run as Administrator', then try. Perhaps there is a privilege issue with accessing the plug-ins?

Also Band-in-a-Box does not support the use of VST3 plug-ins at this time.