1. In the game folder, save the file "config.json" somewhere on your computer so you don't lose it (all launcher settings are stored there), then delete it from the game folder. Try running the launcher again.
2. If the error "A task was canceled" occurs, you need to disable ipv6 in the adapter properties:
3. If disabling ipv6 in the adapter properties does not help, then perhaps your provider is blocking Internet access for the launcher.
Turn on VPN (for example, from our user), and then run the launcher again.