[0207/182037:INFO:LauncherAppBrowser.cpp(73)] Work dir is C:\Users\rpc01\AppData\Roaming\.minecraft

[0207/182037:INFO:LauncherAppBrowser.cpp(76)] Lock dir is .

[0207/182037:INFO:ClientHandler.cpp(276)] Creating launcher window.

[0207/182037:INFO:LauncherAppRenderer.cpp(115)] Javascript bridge extended.

[0207/182039:INFO:ClientHandler.cpp(1025)] Preferences / startup: Read preferences

[0207/182039:INFO:ClientHandler.cpp(1025)] TypeError: Cannot read property 'channel' of undefined