: Roll back or hide the problematic update.
Sort by "Last Updated." Look for drivers intended for Windows 7, 8, or 10. (Note: Windows 10 drivers almost always work on Windows 11). bcm2045a0 driver windows 11
Instead, do this:
via Group Policy (Win 11 Pro/Enterprise): : Roll back or hide the problematic update
Some users have success forcing Windows to use its generic Bluetooth driver: bcm2045a0 driver windows 11