and the friendlist doesn't work
Try giving your game a scan of it's files(game repair). Maybe there are files that are corrupted.
Install the Black Desert Launcher if the game doesn't start.
The launcher will appear if it's installed.
If it doesn't, try to run your downloaded launcher.
1 Run BlackDesert_Installer_NAEU.exe to install the Black Desert launcher.
2 Start the game once installation is complete.
and the friendlist doesn't work
Try giving your game a scan of it's files(game repair). Maybe there are files that are corrupted.