Hi @Bartosz Duzinkiewicz​ 

Thank you for reaching out, and we’re sorry to hear about this log-in issue! 

We have this Community Edition login troubleshooting post on Community. Please take a look, and follow the troubleshooting steps. 

If the steps do not resolve the log-in issue, then please email feedback@databricks.com for further assistance. 

Please write an email to help@databricks.com.