My macOS dark mode is not working with MAMP PRO MAMP GmbH February 03, 2019 07:15 Updated Follow In some instances the left column may be transparent. In this case, please reboot your Mac. Related articles Where is my MAMP PRO 5 database data located? My Apache Server will not start? MAMP PRO is saying another process is running on the port I want to use Which Apache modules are included? Where exactly are the MAMP PRO files created or changed?