Some connection issues can be solved by following these steps(Administrator rights needed):
- Press the Windows+R key combination.
- Type cmd in the Run box that has just appeared, and press Enter or click Ok.
- Enter this in the command prompt and then press Enter:
netsh int ip reset
- Also, enter the following in the command prompt, then press Enter once more:
netsh winsock reset
- Restart your computer
- Try to run the game once more