Weird characters when opening launcher

When i opened the launcher a bunch of weird characters showed up.

The launcher's log at the console is

Launcher 1.0.8 (through bootstrap 4) started on windows...
System.getProperty('os.name') == 'Windows 7'
System.getProperty('os.version') == '6.1'
System.getProperty('os.arch') == 'amd64'
System.getProperty('java.version') == '1.7.0_25'
System.getProperty('java.vendor') == 'Oracle Corporation'
Going to log in with legacy stored username & password...
Loaded 5 profile(s); selected '1.5.2-Modded'
Trying to log in...
Logging in with access token
Logged in successfully
Delta time to compare resources: 1491 ms
Download job 'Resources' skipped as there are no files to download
Job 'Resources' finished successfully

Can't copy and paste that thing it appears as �