You gave so much helpful info! Oh no wait the opposite of that... Those sections are there for a reason we can't help you unless you actually take the time to fill them out properly.
Adding info is helpful, but if you have a similar problem, posting your own bug report gives us important info and lets the OP get the personalised help he deserves.
Without a log or any actual info we can't really help. You are missing you Launcher version, the bit version of your OS, the full Java version and bit of your Java, your antivirus/firewalls and a log.