Teensy Loader 1.27 memory full

[dzuljo]

Hi
Teensy loader tell me (too large )
In arduino sketch uses 21%
in Teensy loader show 91%

Befor this conflict i use Teensy LC without problem and arduino clon
maybe problem is driver for arduino clon ch340 that i installed

I uninstall arduino and reinstall problem still exist

I don know how to uninstall ch340

Arduino 1.6.5
Teensyduino 1.27
OS X El Capitan

some help ?
Thanks

EDIT:
Windows working good