What version of MB are you using? (Help > About)
How was MB installed? (Store, Installer, Portable)
What happens when you start the RIP?
Does ripping a CD using a different application work? If not, then Win 11 is likely the reason.
Is there anything in the error log from the time you tried ripping? (Help > Support > View Error Log)
Posting a screenshot of the error message may help.
Posting a screenshot of your rip settings may help.
Posting a screenshot of your encoder settings may help.