Thanks for using Bitnami. I couldn't reproduce your issue. I installed the latest MediaWiki version available in our website and I only set the password in the next screen of the installation process (note the username by default is
After that, I didn't have any issue login into the admin panel of the application. Did you get any error message running the installer?
We have a Support Tool that will gather relevant information for us to analyze your configuration and logs. Could you please execute it on the machine where the stack is running by following the steps described in the guide below?
Please note that you need to paste the code ID that is shown at the end.