Welcome to the forums.

1: How long ago did you purchase your BiaB program?

2: Which Windows O/S are you running? Did you recently upgrade?

The fact that the welcome screen appears indicates that the program launches (initially) but then cannot complete the startup.

Do this:

Open Windows Explorer
Select Search (1)
Select This PC (2)
Enter bbw.exe (3)
See if this file is found, which will give you the location (4)

Open that folder location (presuming is is C:\bb\) and navigate to C:\bb\Data\Logs\ you will (hopefully) find a file named: 'FlashMessageLog.txt' and possibly 'BBWERROR.LOG'

The top message in 'FlashMessageLog.txt' may give some clues. Otherwise, the bottom message in 'BBWERROR.LOG' might also be useful.

You may need to reinstall.

Suggest you contact PG Music Support people.

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BIAB & RB2024 Win.(Audiophile), Sonar Platinum, Cakewalk by Bandlab, Izotope Prod.Bundle, Roland RD-1000, Synthogy Ivory, Kontakt, Focusrite 18i20, KetronSD2, NS40M Monitors, Pioneer Active Monitors, AKG K271 Studio H'phones