Hello, i've a small problem.
When i open my "Arduino 1.6.4"-program it starts and i can do anything,
but i can't modify the code.
I can read the serial commandline or something else.
The editfield is grey colored.
Hope can help me 
Regards,
Poccix
OS: Microsoft Windows 8.1 Professional x64
Java: Version 8 Update 45 (Build 1.8.0_45-b15)
Found this error:
Exception in thread "AWT-EventQueue-0" java.lang.InternalError: Text component read only