If not error shows it looks like a resource exhaustion.

Would you mind to share your PC specs and the current OS?

Sometimes on Windows OS they terminate the program to maintain system stability only if there's a resource exhaustion. Maybe when opening Bitcoin knots it eats too much RAM that Windows forces it to terminate.

Did you recently change the DBcache? Don't just increase it to higher than your RAM; your PC might freeze, or it might close itself. You better share with us more details about your setup and bitcoin.conf file config.