Affected version: 2.0.757 (Windows)
The launcher passes malformed start arguments to Minecraft when you leave the profile directory empty. Such an empty profile directory value can be created using
The passed arguments are invalid because Minecraft fails loading the assets and instead creates an folder called -assetsDir (which is the argument key for the assets folder name) in the %appdata%\.minecraft folder.
Additionally the launcher prints a malformed log:
And the Game Output window seems to handle that many log line very bad while they are being printed. Only updating when you click somewhere.
Important: This creates malformed folders and might corrupt files in the %appdata%\.minecraft folder.
MCL-5440to get a profile with an empty profile directory
- Start Minecraft with this profile